<SEC-DOCUMENT>0001104659-24-067243.txt : 20240531
<SEC-HEADER>0001104659-24-067243.hdr.sgml : 20240531
<ACCEPTANCE-DATETIME>20240531164550
ACCESSION NUMBER:		0001104659-24-067243
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20240531
DATE AS OF CHANGE:		20240531
EFFECTIVENESS DATE:		20240531

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			United Airlines Holdings, Inc.
		CENTRAL INDEX KEY:			0000100517
		STANDARD INDUSTRIAL CLASSIFICATION:	AIR TRANSPORTATION, SCHEDULED [4512]
		ORGANIZATION NAME:           	01 Energy & Transportation
		IRS NUMBER:				362675207
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-279885
		FILM NUMBER:		241010476

	BUSINESS ADDRESS:	
		STREET 1:		E. ANNA HA - WHQLD
		STREET 2:		233 SOUTH WACKER DRIVE
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		872-825-4000

	MAIL ADDRESS:	
		STREET 1:		E. ANNA HA - WHQLD
		STREET 2:		233 SOUTH WACKER DRIVE
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	United Continental Holdings, Inc.
		DATE OF NAME CHANGE:	20100930

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	UAL CORP /DE/
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALLEGIS CORP
		DATE OF NAME CHANGE:	19880613
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-8
<SEQUENCE>1
<FILENAME>tm2415987d1_s8.htm
<DESCRIPTION>FORM S-8
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>As
filed with the Securities and Exchange Commission on May&nbsp;31, 2024</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 -10pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Registration
No.&nbsp;333-</B></FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>UNITED
STATES</B>&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>SECURITIES
AND EXCHANGE COMMISSION</B>&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Washington,
D.C. 20549</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>FORM&nbsp;S-8</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>REGISTRATION
STATEMENT UNDER THE</B>&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>SECURITIES
ACT OF 1933</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 14pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>UNITED
AIRLINES HOLDINGS,&nbsp;INC.</B>&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">(Exact
name of registrant as specified in its charter)</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="vertical-align: top; text-align: center; width: 48%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Delaware</B></FONT></TD>
    <TD STYLE="vertical-align: bottom; width: 4%"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; text-align: center; width: 48%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>36-2675207</B></FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(State
    or other jurisdiction of<BR>
    incorporation or organization)</FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(I.R.S.
    Employer<BR>
    Identification No.)</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="vertical-align: top; text-align: center; width: 48%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>233
    South Wacker Drive, Chicago,&nbsp;Illinois</B></FONT></TD>
    <TD STYLE="vertical-align: bottom; width: 4%"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; text-align: center; width: 48%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>60606</B></FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(Address
    of Principal Executive Offices)</FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(Zip
    Code)</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>United
Airlines Holdings,&nbsp;Inc. Amended and Restated 2021 Incentive Compensation Plan</B>&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">(Full
title of the plan)</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Robert
S. Rivkin</B>&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Senior
Vice President, Chief Legal Officer and General Counsel</B>&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>233
South Wacker Drive</B>&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Chicago,&nbsp;Illinois
60606</B>&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">(Name
and address of agent for service)</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>(872)
825-4000</B>&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">(Telephone
number, including area code, of agent for service)</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif">Indicate
by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting
company or an emerging growth company. See the definitions of &ldquo;large accelerated filer,&rdquo; &ldquo;accelerated filer,&rdquo;
 &ldquo;smaller reporting company,&rdquo; and &ldquo;emerging growth company&rdquo; in Rule&nbsp;12b-2 of the Exchange Act.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Large accelerated filer
    </FONT><FONT STYLE="font-family: Times New Roman, Times, Serif"><FONT STYLE="font-family: Wingdings">&#120;</FONT></FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Accelerated filer </FONT><FONT STYLE="font-family: Times New Roman, Times, Serif"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></TD></TR>
  <TR>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Non-accelerated filer </FONT><FONT STYLE="font-family: Times New Roman, Times, Serif"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Smaller
                                    reporting company </FONT><FONT STYLE="font-family: Times New Roman, Times, Serif"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Emerging
    growth company </FONT><FONT STYLE="font-family: Times New Roman, Times, Serif"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">If
an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying
with any new or revised financial accounting standards provided pursuant to Section&nbsp;7(a)(2)(B)&nbsp;of the Securities Act. <FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>EXPLANATORY
NOTE</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>INFORMATION
REQUIRED PURSUANT TO GENERAL INSTRUCTION E TO FORM&nbsp;S-8</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif">This
Registration Statement on Form&nbsp;S-8 (this &ldquo;Registration Statement&rdquo;) is being filed by United Airlines Holdings,&nbsp;Inc.
(the &ldquo;Registrant&rdquo;), relating to 2,700,000 shares of its common stock, par value $0.01 per share (the &ldquo;Common Stock&rdquo;),
issuable to eligible officers and employees of the Registrant and its affiliates under the United Airlines Holdings,&nbsp;Inc. Amended
and Restated 2021 Incentive Compensation Plan, as amended (the &ldquo;Plan&rdquo;). This Registration Statement on Form&nbsp;S-8 hereby
incorporates by reference the contents of the Registrant's prior Registration Statements on Form&nbsp;S-8 filed with the Securities and
Exchange Commission (the &ldquo;Commission&rdquo;) on <A HREF="https://www.sec.gov/Archives/edgar/data/100517/000110465921072842/tm2117613d1_s8.htm" STYLE="-sec-extract: exhibit">May&nbsp;27, 2021 (Registration No.&nbsp;333-256528)</A> and <A HREF="https://www.sec.gov/Archives/edgar/data/100517/000110465923064692/tm2316647d2_s8.htm" STYLE="-sec-extract: exhibit">May&nbsp;25, 2023 (Registration
No.&nbsp;333-272209)</A> relating to shares of Common Stock issuable to eligible officers and employees of the Registrant and its affiliates
under the Plan (the &ldquo;Prior Registration Statements&rdquo;). The Prior Registration Statements are currently effective. This Registration
Statement relates to securities of the same class as those to which the Prior Registration Statements relate and is submitted in accordance
with General Instruction E of Form&nbsp;S-8 regarding Registration of Additional Securities. Pursuant to General Instruction E of Form&nbsp;S-8,
the contents of the Prior Registration Statements are incorporated herein by reference and made part of this Registration Statement,
except as amended hereby.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>PART&nbsp;I</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>INFORMATION
REQUIRED IN THE SECTION&nbsp;10(a)&nbsp;PROSPECTUS</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif">All
information required by Part&nbsp;I to be contained in the prospectus is omitted from this Registration Statement in accordance with
the explanatory note to Part&nbsp;I of Form&nbsp;S-8 and Rule&nbsp;428 under the Securities Act of 1933, as amended (the &ldquo;Securities
Act&rdquo;). Documents containing the information required by Part&nbsp;I of the Registration Statement will be sent or given to Plan
participants as specified by Rule&nbsp;428(b)(1)&nbsp;under the Securities Act.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>PART&nbsp;II</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>INFORMATION
REQUIRED IN THE REGISTRATION STATEMENT</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Item 3.
Incorporation of Certain Documents by Reference</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif">The
following documents heretofore filed with the Commission by the Registrant are incorporated herein by reference:</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(a)</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><A HREF="https://www.sec.gov/ix?doc=/Archives/edgar/data/100517/000010051724000027/ual-20231231.htm" STYLE="-sec-extract: exhibit">The Registrant&rsquo;s Annual Report on Form&nbsp;10-K for the year ended December&nbsp;31, 2023, filed with the Commission on February&nbsp;29, 2024 (the &ldquo;2023 Annual Report&rdquo;);</A></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(b)</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><A HREF="https://www.sec.gov/ix?doc=/Archives/edgar/data/100517/000010051724000079/ual-20240331.htm" STYLE="-sec-extract: exhibit">The Registrant&rsquo;s Quarterly Report on Form&nbsp;10-Q for the quarter ended March&nbsp;31, 2024, filed with the Commission on April&nbsp;17, 2024;</A></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(c)</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The Registrant&rsquo;s
    Current Reports on <A HREF="https://www.sec.gov/ix?doc=/Archives/edgar/data/100517/000110465924005598/tm243826d1_8k.htm" STYLE="-sec-extract: exhibit">Form&nbsp;8-K, filed with the Commission on January&nbsp;22, 2024</A> (with respect to Item 5.02 only) (as amended
    <A HREF="https://www.sec.gov/ix?doc=/Archives/edgar/data/100517/000110465924028721/tm247517d2_8ka.htm" STYLE="-sec-extract: exhibit">February&nbsp;28, 2024</A>), <A HREF="https://www.sec.gov/ix?doc=/Archives/edgar/data/100517/000110465924026564/tm246340d1_8k.htm" STYLE="-sec-extract: exhibit">February&nbsp;22, 2024</A>, <A HREF="https://www.sec.gov/ix?doc=/Archives/edgar/data/100517/000110465924028713/tm247517d1_8k.htm" STYLE="-sec-extract: exhibit">February&nbsp;28, 2024</A>, <A HREF="https://www.sec.gov/ix?doc=/Archives/edgar/data/100517/000110465924030506/tm247517d3_8k.htm" STYLE="-sec-extract: exhibit">March&nbsp;4, 2024</A>, <A HREF="https://www.sec.gov/ix?doc=/Archives/edgar/data/100517/000110465924041933/tm2410342d1_8k.htm" STYLE="-sec-extract: exhibit">April&nbsp;1, 2024</A>, <A HREF="https://www.sec.gov/ix?doc=/Archives/edgar/data/100517/000110465924050353/tm2412418d2_8k.htm" STYLE="-sec-extract: exhibit">April&nbsp;23, 2024</A>
    and <A HREF="https://www.sec.gov/ix?doc=/Archives/edgar/data/100517/000110465924066121/tm2415786d1_8k.htm" STYLE="-sec-extract: exhibit">May&nbsp;29, 2024</A>;</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(d)</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The description of the
    Common Stock included under the caption &ldquo;Description of UAL Capital Stock&rdquo; in the prospectus forming a part of the Registrant&rsquo;s
    Registration Statement on <A HREF="https://www.sec.gov/Archives/edgar/data/100517/000104746917007392/a2233944zs-3asr.htm" STYLE="-sec-extract: exhibit">Form&nbsp;S-3, filed with the Commission on December&nbsp;1, 2017</A>, as amended by any subsequent amendments
    or reports filed to update such description, including <A HREF="https://www.sec.gov/Archives/edgar/data/100517/000010051724000027/ual_12312310kex430.htm" STYLE="-sec-extract: exhibit">Exhibit&nbsp;4.30 to the 2023 Annual Report</A>; and</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 0.25in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(e)</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">The description of the
    Preferred Stock Purchase Rights as set forth in the Registrant&rsquo;s Registration Statement on <A HREF="https://www.sec.gov/Archives/edgar/data/100517/000110465920132578/tm2037699d1_8a12b.htm" STYLE="-sec-extract: exhibit">Form&nbsp;8-A filed with the Commission on December&nbsp;7, 2020</A> pursuant to Section&nbsp;12 of the Exchange Act, as amended by any amendments or reports filed for the purpose
    of updating such description,</FONT> <FONT STYLE="font-family: Times New Roman, Times, Serif">including <A HREF="https://www.sec.gov/Archives/edgar/data/100517/000010051724000027/ual_12312310kex430.htm" STYLE="-sec-extract: exhibit">Exhibit&nbsp;4.30 to the 2023 Annual Report</A>.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif">All
documents subsequently filed by the Registrant pursuant to Sections 13(a), 13(c), 14 and 15(d)&nbsp;of the Securities Exchange Act of
1934, as amended (the &ldquo;Exchange Act&rdquo;), after the date of this Registration Statement and prior to the filing of a post-effective
amendment to this Registration Statement which indicates that all securities offered hereby have been sold or which deregisters all securities
then remaining unsold, shall be deemed to be incorporated by reference into this Registration Statement and to be a part hereof from
the respective dates of filing of such documents (such documents, and the documents enumerated above, being hereinafter referred to as
 &ldquo;Incorporated Documents&rdquo;). Any statement contained in an Incorporated Document shall be deemed to be modified or superseded
for purposes of this Registration Statement to the extent that a statement contained herein or in any other subsequently filed Incorporated
Document modifies or supersedes such statement. Any such statement so modified or superseded shall not be deemed, except as so modified
or superseded, to constitute a part of this Registration Statement.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif">Notwithstanding
the foregoing, unless specifically stated to the contrary, none of the information disclosed by the Registrant under Items 2.02 or 7.01
of any Current Report on Form&nbsp;8-K, including the related exhibits under Item 9.01, that the Registrant may from time to time furnish
to the Commission will be incorporated by reference into, or otherwise included in, this Registration Statement.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Item 8.
Exhibits</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="vertical-align: top; border-bottom: black 1pt solid; width: 4%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Exhibit<BR>
    Number</B></FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; width: 1%"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; vertical-align: bottom; text-align: center; width: 95%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Description
    of Exhibit</B></FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.1 </FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><A HREF="https://www.sec.gov/Archives/edgar/data/100517/000110465919037929/a19-12113_1ex3d1.htm#Exhibit3_1_031201" STYLE="-sec-extract: exhibit">Amended and Restated Certificate of Incorporation of United Airlines Holdings,&nbsp;Inc. (incorporated by reference to Exhibit&nbsp;3.1 to the Registrant&rsquo;s Current Report on Form&nbsp;8-K filed with the Commission on June&nbsp;27, 2019).</A> </FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.2 </FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><A HREF="https://www.sec.gov/Archives/edgar/data/100517/000010051722000056/ual_09222022ex31.htm" STYLE="-sec-extract: exhibit">Amended and Restated Bylaws of United Airlines Holdings,&nbsp;Inc. (incorporated by reference to Exhibit&nbsp;3.1 to the Registrant&rsquo;s Current Report on Form&nbsp;8-K filed with the Commission on September&nbsp;23, 2022).</A> </FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.3 </FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><A HREF="http://www.sec.gov/Archives/edgar/data/100517/000110465920132578/tm2037699d1_ex4-1.htm" STYLE="-sec-extract: exhibit">Tax Benefits Preservation Plan, dated as of December&nbsp;4, 2020, by and between the Registrant and Computershare Trust Company, N.A., as rights agent (which includes the Form&nbsp;of Rights Certificate as Exhibit&nbsp;B thereto) (incorporated by reference to&nbsp;&nbsp;Exhibit&nbsp;4.1 to the Registrant&rsquo;s Registration Statement on Form&nbsp;8-A filed with the Commission December&nbsp;7, 2020).</A></FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.4</FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><A HREF="https://www.sec.gov/Archives/edgar/data/100517/000010051721000016/ual_12312010kex418.htm" STYLE="-sec-extract: exhibit">Amendment No.1 to Tax Benefits Preservation Plan, dated as of January&nbsp;21, 2021, by and between the Registrant and Computershare Trust Company, N.A., as rights agent&nbsp;(incorporated by reference to Exhibit&nbsp;4.18 to the Registrant&rsquo;s Form&nbsp;10-K for the year ended December 31, 2020, filed with the Commission on March 1, 2021).</A></FONT></TD></TR>
</TABLE>

<P STYLE="margin: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="margin: 0"></P>

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    <DIV STYLE="break-before: page; margin-top: 6pt; margin-bottom: 12pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
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<P STYLE="margin: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">

<TR>
    <TD STYLE="vertical-align: top; width: 4%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.5</FONT></TD>
    <TD STYLE="vertical-align: bottom; width: 1%"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; text-align: justify; width: 96%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><A HREF="https://www.sec.gov/Archives/edgar/data/100517/000110465923123217/tm2332036d2_ex4-3.htm" STYLE="-sec-extract: exhibit">Amendment No.&nbsp;2 to Tax Benefits Preservation Plan, dated as of December&nbsp;4, 2023, by and between the Registrant&nbsp;and Computershare Trust Company, N.A., as rights agent (incorporated by reference to Exhibit&nbsp;4.3 to the Registrant&rsquo;s Form&nbsp;8-A/A filed with the Commission on December&nbsp;4, 2023).</A></FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.6</FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><A HREF="https://www.sec.gov/Archives/edgar/data/100517/000110465924050332/tm2412418d1_ex4-4.htm" STYLE="-sec-extract: exhibit">Amendment No.&nbsp;3 to Tax Benefits Preservation Plan, dated as of April&nbsp;22, 2024, by and between the Registrant and Computershare Trust Company, N.A., as rights agent (incorporated by reference to Exhibit&nbsp;4.4 to the Registrant&rsquo;s Form&nbsp;8-A/A filed with the Commission on April&nbsp;23, 2024).</A></FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.7</FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><A HREF="https://www.sec.gov/Archives/edgar/data/100517/000110465921073549/tm2117454d1_ex10-1.htm" STYLE="-sec-extract: exhibit">United Airlines Holdings,&nbsp;Inc. Amended and Restated 2021 Incentive Compensation Plan (filed as Exhibit&nbsp;10.1 to Registrant&rsquo;s Form&nbsp;8-K filed with the Commission on May&nbsp;28, 2021).</A></FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.8</FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><A HREF="https://www.sec.gov/Archives/edgar/data/100517/000110465923065702/tm2317178d1_ex10-1.htm" STYLE="-sec-extract: exhibit">First Amendment to the United Airlines Holdings,&nbsp;Inc. Amended and Restated 2021 Incentive Compensation Plan (incorporated by reference to Exhibit&nbsp;10.1 to the Registrant&rsquo;s Current Report on Form&nbsp;8-K filed with the Commission on May&nbsp;30, 2023).</A></FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.9</FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><A HREF="https://www.sec.gov/Archives/edgar/data/100517/000110465924066121/tm2415786d1_ex10-1.htm" STYLE="-sec-extract: exhibit">Second Amendment to the United Airlines Holdings,&nbsp;Inc. Amended and Restated 2021 Incentive Compensation Plan (incorporated by reference to Exhibit&nbsp;10.1 to the Registrant&rsquo;s Current Report on Form&nbsp;8-K filed with the Commission on May&nbsp;29, 2024).</A></FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">*5.1 </FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><A HREF="tm2415987d1_ex5-1.htm" STYLE="-sec-extract: exhibit">Opinion of Sidley Austin LLP.</A> </FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">*23.1 </FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><A HREF="tm2415987d1_ex5-1.htm" STYLE="-sec-extract: exhibit"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Consent of Sidley Austin
    LLP (included in its opinion filed as Exhibit&nbsp;5.1). </FONT></A></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">*23.2 </FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><A HREF="tm2415987d1_ex23-2.htm" STYLE="-sec-extract: exhibit"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Consent of Ernst&nbsp;&amp;
    Young LLP. </FONT></A></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">*24.1 </FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><A HREF="#a_001"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Powers of Attorney (contained
    in the signature page&nbsp;to this Registration Statement).</FONT></A></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">*107</FONT></TD>
    <TD STYLE="vertical-align: bottom"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><A HREF="tm2415987d1_exfilingfees.htm" STYLE="-sec-extract: exhibit">Calculation of Filing Fee Table.</A></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">* Filed herewith.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif"></FONT></P>

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    <DIV STYLE="break-before: page; margin-top: 6pt; margin-bottom: 12pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><A NAME="a_001"></A><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>SIGNATURES</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.75in"><FONT STYLE="font-family: Times New Roman, Times, Serif">Pursuant
to the requirements of the Securities Act, the Registrant certifies that it has reasonable grounds to believe that it meets all of the
requirements for filing on Form&nbsp;S-8 and has duly caused this Registration Statement to be signed on its behalf by the undersigned,
thereunto duly authorized, in the City of Chicago, State of Illinois, on May&nbsp;31, 2024.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>UNITED AIRLINES HOLDINGS,&nbsp;INC.</B></FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 3%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; width: 47%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
    J. Scott Kirby</FONT></TD>
    <TD STYLE="width: 50%"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">J. Scott Kirby </FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Chief Executive Officer and Director</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 168.3pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.75in"><FONT STYLE="font-family: Times New Roman, Times, Serif">KNOW
ALL BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints J. Scott Kirby, Robert S. Rivkin and Michael
D. Leskinen, and each of them, his or her true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution,
in any and all capacities, to sign any or all amendments (including post-effective amendments) to this Registration Statement, including
any filings under Rule&nbsp;462 promulgated under the Securities Act, and to file the same with all exhibits thereto, and other documents
in connection therewith, with the Commission, granting unto said attorneys-in-fact and agents full power and authority to do and perform
each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he
might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or their substitutes, may lawfully
do or cause to be done by virtue hereof.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.75in"><FONT STYLE="font-family: Times New Roman, Times, Serif">Pursuant
to the requirements of the Securities Act, this Registration Statement has been signed by the following persons in the capacities and
on the date indicated below.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 3.5pt; padding-left: 7.7pt; width: 32%; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Signature</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; width: 44%; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Title</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; width: 24%; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Date</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 3.5pt; padding-left: 7.7pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1pt solid; text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">/s/
    J. Scott Kirby</FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">Chief
    Executive Officer, Director (Principal Executive Officer)</FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">May&nbsp;31,
    2024</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">J.
    Scott Kirby</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1pt solid; text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">/s/
    <FONT STYLE="font-size: 10pt">Michael D. Leskinen</FONT></FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">Executive
    Vice President and Chief Financial Officer (Principal Financial Officer)</FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">May&nbsp;31,
    2024</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Michael
    D. Leskinen</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1pt solid; text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">/s/
    <FONT STYLE="font-size: 10pt">Brigitte Bokemeier</FONT></FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">Vice
    President and Controller (Principal Accounting Officer)</FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">May&nbsp;31,
    2024</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Brigitte
    Bokemeier</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1pt solid; text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">/s/ <FONT STYLE="font-size: 10pt">Rosalind
    Brewer</FONT></FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">Director</FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">May&nbsp;31,
    2024</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Rosalind
    Brewer</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1pt solid; text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">/s/
    <FONT STYLE="font-size: 10pt">Michelle Freyre</FONT></FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">Director</FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">May&nbsp;31,
    2024</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Michelle
    Freyre</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
    Matthew Friend</FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">Director</FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">May&nbsp;31,
    2024</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Matthew
    Friend</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1pt solid; text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">/s/
    <FONT STYLE="font-size: 10pt">Barney Harford</FONT></FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">Director</FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">May&nbsp;31,
    2024</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Barney
    Harford</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1pt solid; text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">/s/
    <FONT STYLE="font-size: 10pt">Michele J. Hooper</FONT></FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">Director</FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">May&nbsp;31,
    2024</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Michele
    J. Hooper</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 3.5pt; padding-left: 7.7pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1pt solid; text-align: center; padding-right: 3.5pt; padding-left: 7.7pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">/s/
    <FONT STYLE="font-size: 10pt">Walter Isaacson</FONT></FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">Director</FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">May&nbsp;31,
    2024</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Walter
    Isaacson</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">/s/
    <FONT STYLE="font-size: 10pt">Richard Johnsen</FONT></FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">Director</FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">May&nbsp;31,
    2024</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Richard
    Johnsen</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 7.7pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">/s/
    <FONT STYLE="font-size: 10pt">Edward M. Philip</FONT></FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">Director</FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">May&nbsp;31,
    2024</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Edward
    M. Philip</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">/s/
    <FONT STYLE="font-size: 10pt">Edward L. Shapiro</FONT></FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">Director</FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">May&nbsp;31,
    2024</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Edward
    L. Shapiro</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">/s/
    <FONT STYLE="font-size: 10pt">Laysha Ward</FONT></FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">Director</FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">May&nbsp;31,
    2024</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Laysha
    Ward</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">/s/
    <FONT STYLE="font-size: 10pt">James M. Whitehurst</FONT></FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">Director</FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">May&nbsp;31,
    2024</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">James
    M. Whitehurst</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
  <TR>
    <TD STYLE="text-align: center; vertical-align: top; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">Director</FONT></TD>
    <TD ROWSPAN="2" STYLE="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Anne
    Worster</FONT></TD></TR>
  </TABLE>

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<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>tm2415987d1_ex5-1.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="text-align: right; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Exhibit 5.1</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 29%; font-size: 10pt"><IMG SRC="tm2415987d1_ex5-1img001.jpg" ALT=""></TD>
    <TD STYLE="width: 39%"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="text-transform: uppercase">Sidley
                           Austin LLP</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="text-transform: uppercase">One South Dearborn Street</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="text-transform: uppercase">Chicago,&nbsp;IL 60603</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="text-transform: uppercase">+1 312 853 7000</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="text-transform: uppercase">+1 312 853 7036 Fax</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="text-transform: uppercase">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="text-transform: uppercase">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; text-transform: uppercase">AMERICA
    </FONT><FONT STYLE="text-transform: uppercase">&bull; <FONT STYLE="font-family: Times New Roman, Times, Serif">ASIA PACIFIC </FONT>&bull;
    <FONT STYLE="font-family: Times New Roman, Times, Serif">EUROPE</FONT></FONT></P></TD>
    <TD STYLE="width: 32%"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="text-transform: uppercase">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="text-transform: uppercase">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="text-transform: uppercase">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="text-transform: uppercase">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="text-transform: uppercase">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="text-transform: uppercase">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="text-transform: uppercase">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="text-transform: uppercase">&nbsp;</FONT></P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">May&nbsp;31, 2024</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">United Airlines Holdings,&nbsp;Inc.&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">233 South Wacker Drive&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Chicago,&nbsp;IL 60606</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 48px; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Re:</FONT></TD>
    <TD STYLE="text-align: left; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><U>2,700,000
    shares of Common Stock, $0.01 par value per share, and the associated Series&nbsp;A Junior Participating Serial Preferred Stock Purchase
    Rights</U></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Ladies and Gentlemen:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; margin: 0pt 0; text-indent: 0.5in">We refer to the Registration
Statement on Form&nbsp;S-8 (the &ldquo;<U>Registration Statement</U>&rdquo;) being filed by United Airlines Holdings,&nbsp;Inc., a Delaware
corporation (the &ldquo;<U>Company</U>&rdquo;), with the Securities and Exchange Commission under the Securities Act of 1933, as amended
(the &ldquo;<U>Securities Act</U>&rdquo;), relating to the registration of 2,700,000 shares of Common Stock, $0.01 par value per share
(the &ldquo;<U>Registered Shares</U>&rdquo;), of the Company, together with the Series&nbsp;A Junior Participating Serial Preferred Stock
Purchase Rights (the &ldquo;<U>Rights</U>&rdquo;) associated therewith, which may be issued under the United Airlines Holdings,&nbsp;Inc.
Amended and Restated 2021 Incentive Compensation Plan, as amended (the &ldquo;<U>Plan</U>&rdquo;). The terms of the Rights are set forth
in the Tax Benefits Preservation Plan, dated as of December&nbsp;4, 2020, as amended January&nbsp;21, 2021, December&nbsp;4, 2023 and
April&nbsp;22, 2024 (as so amended, the &ldquo;<U>Rights Agreement</U>&rdquo;), by and between the Company and Computershare Trust Company,
N.A., as Rights Agent (in such capacity, the &ldquo;<U>Rights Agent</U>&rdquo;).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">This opinion letter is being delivered in accordance
with the requirements of Item 601(b)(5)&nbsp;of Regulation S-K under the Securities Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; margin: 0pt 0; text-indent: 0.5in">We have examined the Registration
Statement, the Company&rsquo;s Amended and Restated Certificate of Incorporation, the Company&rsquo;s Amended and Restated Bylaws, the
Rights Agreement, the Plan, the resolutions adopted by the board of directors of the Company (the &ldquo;<U>Board</U>&rdquo;) relating
to the Registration Statement and the Plan, and the proposal adopted by the stockholders of the Company relating to the Plan at the Company&rsquo;s
2024 Annual Meeting of Stockholders. We have also examined originals, or copies of originals certified to our satisfaction, of such agreements,
documents, certificates and statements of the Company and other corporate documents and instruments, and have examined such questions
of law, as we have considered relevant and necessary as a basis for this opinion letter. We have assumed the authenticity of all documents
submitted to us as originals, the genuineness of all signatures, the legal capacity of all persons and the conformity with the original
documents of any copies thereof submitted to us for examination. As to facts relevant to the opinions expressed herein, we have relied
without independent investigation or verification upon, and assumed the accuracy and completeness of, certificates, letters and oral
and written statements and representations of public officials and officers and other representatives of the Company.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 100%; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Sidley
    Austin LLP is a limited liability partnership practicing in affiliation with other Sidley Austin partnerships.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><IMG SRC="tm2415987d1_ex5-1img001.jpg" ALT="">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">United Airlines Holdings,&nbsp;Inc.&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">May&nbsp;31, 2024&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Page&nbsp;2</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Based on the foregoing, we are of the opinion
that:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="text-align: left; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">1. Each Registered Share that is newly issued
pursuant to the Plan will be validly issued, fully paid and non-assessable when: (i)&nbsp;the Registration Statement, as finally amended,
shall have become effective under the Securities Act; (ii)&nbsp;such Registered Share shall have been duly issued and delivered in accordance
with the Plan; and (iii)&nbsp;a certificate representing such Registered Share shall have been duly executed, countersigned and registered
and duly delivered to the person entitled thereto against payment of the agreed consideration therefor (in an amount not less than the
par value thereof) or, if any such Registered Share is to be issued in uncertificated form, the Company&rsquo;s books shall reflect the
issuance of such Registered Share to the person entitled thereto against payment of the agreed consideration therefor (in an amount not
less than the par value thereof), all in accordance with the Plan.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="text-align: left; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">2. The Right associated with each Registered Share
will be validly issued, fully paid and non-assessable when (i)&nbsp;the Registration Statement, as finally amended, shall have been declared
effective under the Securities Act; (ii)&nbsp;such associated Registered Share shall have been duly issued as set forth in paragraph
1 above; and (iii)&nbsp;such Right shall have been duly issued in accordance with the terms of the Rights Agreement.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="text-align: left; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">In rendering the opinion in paragraph 2 above,
we have also assumed that the Rights Agreement has been duly authorized, executed and delivered by the Rights Agent and that the members
of the Board have acted in a manner consistent with their fiduciary duties as required under applicable law in adopting the Rights Agreement.
Such opinion does not address the determination a court of competent jurisdiction may make regarding whether the Board may be required
to redeem or terminate, or take other action with respect to, the Rights in the future based on the facts and circumstances then existing.
Such opinion addresses corporate procedures in connection with the issuance of the Rights associated with the Registered Shares, and
not any particular provision of the Rights or the Rights Agreement. We note that it is not settled whether the invalidity of any particular
provision of a rights agreement or purchase rights issued thereunder would invalidate such rights in their entirety.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="text-align: left; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">This opinion letter is limited to the General
Corporation Law of the State of Delaware. We express no opinion as to the laws, rules&nbsp;or regulations of any other jurisdiction,
including, without limitation, the federal laws of the United States of America or any state securities or blue sky laws.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><IMG SRC="tm2415987d1_ex5-1img001.jpg" ALT="">&nbsp;&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">United Airlines Holdings,&nbsp;Inc.&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">May&nbsp;31, 2024&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Page&nbsp;3</P>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="text-align: left; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">We hereby consent to the filing of this opinion
letter as an exhibit to the Registration Statement and to all references to our Firm included in or made a part of the Registration Statement.
In giving such consent, we do not thereby admit that we are in the category of persons whose consent is required under Section&nbsp;7
of the Securities Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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    <TD STYLE="font-size: 10pt; width: 50%">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 50%">Very truly yours,</TD></TR>
  <TR STYLE="font-size: 10pt; vertical-align: bottom">
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font-size: 10pt; vertical-align: bottom">
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">/s/ Sidley Austin LLP</TD></TR>
  <TR STYLE="font-size: 10pt; vertical-align: bottom">
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
  <TR STYLE="font-size: 10pt; vertical-align: bottom">
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">Sidley Austin LLP</TD></TR>
  </TABLE>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<TYPE>EX-23.2
<SEQUENCE>3
<FILENAME>tm2415987d1_ex23-2.htm
<DESCRIPTION>EXHIBIT 23.2
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right"><B>Exhibit&nbsp;23.2</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="text-align: center; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><B>Consent of Independent Registered Public Accounting Firm</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">We consent to the incorporation by reference in the Registration Statement
(Form&nbsp;S -8) pertaining to the Amended and Restated 2021 Incentive Compensation Plan of United Airlines Holdings,&nbsp;Inc., of our
reports dated February&nbsp;29, 2024, with respect to the consolidated financial statements of United Airlines Holdings,&nbsp;Inc., and
the effectiveness of internal control over financial reporting of United Airlines Holdings,&nbsp;Inc. included in its Annual Report (Form&nbsp;10-K)
for the year ended December&nbsp;31, 2023, filed with Securities Exchange Commission.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">/s/ Ernst&nbsp;&amp; Young LLP</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Chicago,&nbsp;Illinois</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">May&nbsp;31, 2024</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<DOCUMENT>
<TYPE>EX-FILING FEES
<SEQUENCE>4
<FILENAME>tm2415987d1_exfilingfees.htm
<DESCRIPTION>EX-FILING FEES
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right"><B>EXHIBIT&nbsp;107</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Calculation of Filing Fee Table</B>&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>FORM&nbsp;S-8<BR>
(Form&nbsp;Type)</B>&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 14pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>UNITED AIRLINES HOLDINGS,&nbsp;INC.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Exact Name of Registrant as Specified in its
Charter)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Newly Registered Securities</B>&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="border-top: black 1pt solid; border-left: black 1pt solid; font-size: 10pt; text-align: center; width: 11%"><B>Security<BR>
 Type</B></TD>
    <TD STYLE="border-top: black 1pt solid; border-left: black 1pt solid; font-size: 10pt; text-align: center; width: 20%"><B>Security<BR>
Class<BR>
Title</B></TD>
    <TD STYLE="border-top: black 1pt solid; border-left: black 1pt solid; font-size: 10pt; text-align: center; width: 14%"><B>Fee<BR>
Calculation<BR>
Rule</B></TD>
    <TD STYLE="border-top: black 1pt solid; border-left: black 1pt solid; font-size: 10pt; text-align: center; width: 11%"><B>Amount<BR>
Registered (1)</B></TD>
    <TD STYLE="border-top: black 1pt solid; border-left: black 1pt solid; font-size: 10pt; text-align: center; width: 11%"><B>Proposed<BR>
Maximum<BR>
Offering<BR>
 Price<BR>
Per Unit</B></TD>
    <TD STYLE="border-top: black 1pt solid; border-left: black 1pt solid; font-size: 10pt; text-align: center; width: 11%"><B>Maximum<BR>
Aggregate<BR>
Offering Price</B></TD>
    <TD STYLE="border-top: black 1pt solid; border-left: black 1pt solid; font-size: 10pt; text-align: center; width: 11%"><B>Fee Rate</B></TD>
    <TD STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-left: black 1pt solid; font-size: 10pt; text-align: center; width: 11%"><B>Amount of<BR>
Registration<BR>
 Fee</B></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="border-top: black 1pt solid; border-left: black 1pt solid; font-size: 10pt; text-align: center">Equity</TD>
    <TD STYLE="border-top: black 1pt solid; border-left: black 1pt solid; font-size: 10pt; text-align: center">Common stock, $0.01 par value</TD>
    <TD STYLE="border-top: black 1pt solid; border-left: black 1pt solid; font-size: 10pt; text-align: center">Rule&nbsp;457(c)&nbsp;and Rule&nbsp;457(h)</TD>
    <TD STYLE="border-top: black 1pt solid; border-left: black 1pt solid; font-size: 10pt; text-align: center">2,700,000 </TD>
    <TD STYLE="border-top: black 1pt solid; border-left: black 1pt solid; font-size: 10pt; text-align: center">$51.18 (2)</TD>
    <TD STYLE="border-top: black 1pt solid; border-left: black 1pt solid; font-size: 10pt; text-align: center">$138,186,000.00 (2)</TD>
    <TD STYLE="border-top: black 1pt solid; border-left: black 1pt solid; font-size: 10pt; text-align: center">.00014760</TD>
    <TD STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-left: black 1pt solid; font-size: 10pt; text-align: center">$20,396.25</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="border-top: black 1pt solid; border-left: black 1pt solid; font-size: 10pt; text-align: center">Equity</TD>
    <TD STYLE="border-top: black 1pt solid; border-left: black 1pt solid; font-size: 10pt; text-align: center">Preferred Stock Purchase Rights</TD>
    <TD STYLE="border-top: black 1pt solid; border-left: black 1pt solid; font-size: 10pt; text-align: center">(3)</TD>
    <TD STYLE="border-top: black 1pt solid; border-left: black 1pt solid; font-size: 10pt; text-align: center">(3)</TD>
    <TD STYLE="border-top: black 1pt solid; border-left: black 1pt solid; font-size: 10pt; text-align: center">(3)</TD>
    <TD STYLE="border-top: black 1pt solid; border-left: black 1pt solid; font-size: 10pt; text-align: center">(3)</TD>
    <TD STYLE="border-top: black 1pt solid; border-left: black 1pt solid; font-size: 10pt; text-align: center">(3)</TD>
    <TD STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-left: black 1pt solid; font-size: 10pt; text-align: center">(3)</TD></TR>
  <TR>
    <TD COLSPAN="4" STYLE="border-top: black 1pt solid; vertical-align: bottom; border-bottom: black 1pt solid; border-left: black 1pt solid; font-size: 10pt; text-align: center"><B>Total Offering Amounts</B></TD>
    <TD STYLE="border-top: black 1pt solid; border-left: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-top: black 1pt solid; vertical-align: bottom; border-left: black 1pt solid; font-size: 10pt; text-align: center">$138,186,000.00</TD>
    <TD STYLE="border-top: black 1pt solid; border-left: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-top: black 1pt solid; vertical-align: bottom; border-right: black 1pt solid; border-left: black 1pt solid; font-size: 10pt; text-align: center">$20,396.25</TD></TR>
  <TR>
    <TD COLSPAN="4" STYLE="border-bottom: black 1pt solid; vertical-align: bottom; border-left: black 1pt solid; font-size: 10pt; text-align: center"><B>Total Fee Offsets</B></TD>
    <TD STYLE="border-top: black 1pt solid; border-left: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-top: black 1pt solid; border-left: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-top: black 1pt solid; border-left: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-top: black 1pt solid; vertical-align: bottom; border-right: black 1pt solid; border-left: black 1pt solid; font-size: 10pt; text-align: center">-</TD></TR>
  <TR>
    <TD COLSPAN="4" STYLE="border-bottom: black 1pt solid; vertical-align: top; border-left: black 1pt solid; font-size: 10pt; text-align: center"><B>Net Fee Due</B></TD>
    <TD STYLE="border-top: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-top: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-top: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border: black 1pt solid; vertical-align: bottom; font-size: 10pt; text-align: center">$20,396.25</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 0px">&nbsp;</TD>
    <TD STYLE="width: 29px; font-size: 10pt">(1)</TD>
    <TD STYLE="font-size: 10pt">This Registration Statement covers 2,700,000 shares of common stock, par value $0.01 per share (the &ldquo;Common Stock&rdquo;), of United Airlines Holdings,&nbsp;Inc. (the &ldquo;Registrant&rdquo;) available for issuance pursuant to awards under the United Airlines Holdings,&nbsp;Inc. Amended and Restated 2021 Incentive Compensation Plan, as amended (the &ldquo;Plan&rdquo;). Pursuant to Rule&nbsp;416(a)&nbsp;under the Securities Act of 1933, as amended (the &ldquo;Securities Act&rdquo;), this Registration Statement also covers such additional and indeterminate number of shares of Common Stock, which may become issuable pursuant to the provisions of the Plan relating to adjustments for changes resulting from a stock dividend, stock split, recapitalization or other similar transaction effected without the receipt of consideration which results in an increase in the number of outstanding shares of Common Stock.</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 0px">&nbsp;</TD>
    <TD STYLE="width: 29px; font-size: 10pt">(2)</TD>
    <TD STYLE="font-size: 10pt">Estimated solely for the purpose of calculating the registration fee pursuant to Rules&nbsp;457(c)&nbsp;and (h)&nbsp;of the Securities Act and based on the average of the high and low sale prices of the Common Stock, as quoted on The Nasdaq Stock Market LLC, on May&nbsp;28, 2024.</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 0px">&nbsp;</TD>
    <TD STYLE="width: 29px; font-size: 10pt">(3)</TD>
    <TD STYLE="font-size: 10pt">The Preferred Stock Purchase Rights (the &ldquo;Purchase Rights&rdquo;) are initially carried with the shares of Common Stock. The value attributable to such Purchase Rights, if any, is reflected in the market price of the shares of Common Stock.</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
