<SEC-DOCUMENT>0001104659-21-087695.txt : 20210630
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<ACCEPTANCE-DATETIME>20210630172526
ACCESSION NUMBER:		0001104659-21-087695
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		17
CONFORMED PERIOD OF REPORT:	20210630
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20210630
DATE AS OF CHANGE:		20210630

FILER:

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

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06033
		FILM NUMBER:		211062896

	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

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UNITED AIRLINES, INC.
		CENTRAL INDEX KEY:			0000319687
		STANDARD INDUSTRIAL CLASSIFICATION:	AIR TRANSPORTATION, SCHEDULED [4512]
		IRS NUMBER:				742099724
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10323
		FILM NUMBER:		211062897

	BUSINESS ADDRESS:	
		STREET 1:		233 SOUTH WACKER DRIVE
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		872-825-4000

	MAIL ADDRESS:	
		STREET 1:		233 SOUTH WACKER DRIVE
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CONTINENTAL AIRLINES, INC.
		DATE OF NAME CHANGE:	20130212

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CONTINENTAL AIRLINES INC /DE/
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PEOPLE EXPRESS AIRLINES INC
		DATE OF NAME CHANGE:	19890726
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<p style="margin: 0">&#160;</p>

<p style="margin: 0"></p>

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<p style="margin: 0">&#160;</p>

<p style="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><b>UNITED STATES<br />
SECURITIES AND EXCHANGE COMMISSION</b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><b>Washington, DC 20549</b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&#160;</p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><b>&#160;</b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><b>CURRENT REPORT</b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><b>Pursuant to Section 13 or 15(d) of
the Securities Exchange Act of 1934</b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Date of Report (Date of earliest event
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Exact name of registrant as specified in
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&#160;</p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&#160;</p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">Registrant&#8217;s
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><b>&#160;</b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Former name or former address, if changed
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Check the appropriate box below if the Form 8-K filing is intended
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&#160;</p>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><tr style="vertical-align: top; text-align: justify">
<td style="width: 0in"></td><td style="width: 0.25in; text-align: left"><span style="font-family: Wingdings"><span id="xdx_903_edei--WrittenCommunications_c20210630__20210630_zDG1kTHCvCMk"><ix:nonNumeric contextRef="From2021-06-30to2021-06-30" format="ixt:booleanfalse" name="dei:WrittenCommunications">o</ix:nonNumeric></span></span></td><td style="text-align: justify">Written communications pursuant to Rule 425 under the
Securities Act (17 CFR 230.425)</td>
</tr></table>

<p style="margin-top: 0; margin-bottom: 0">&#160;</p>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><tr style="vertical-align: top; text-align: justify">
<td style="width: 0in"></td><td style="width: 0.25in; text-align: left"><span style="font-family: Wingdings"><span id="xdx_90A_edei--SolicitingMaterial_c20210630__20210630_zWoIEQg8n0Zk"><ix:nonNumeric contextRef="From2021-06-30to2021-06-30" format="ixt:booleanfalse" name="dei:SolicitingMaterial">o</ix:nonNumeric></span></span></td><td style="text-align: justify">Soliciting material pursuant to Rule 14a-12 under the
Exchange Act (17 CFR 240.14a-12)</td>
</tr></table>

<p style="margin-top: 0; margin-bottom: 0">&#160;</p>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><tr style="vertical-align: top; text-align: justify">
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under the Exchange Act (17 CFR 240.14d-2(b))</td>
</tr></table>

<p style="margin-top: 0; margin-bottom: 0">&#160;</p>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><tr style="vertical-align: top; text-align: justify">
<td style="width: 0in"></td><td style="width: 0.25in; text-align: left"><span style="font-family: Wingdings"><span id="xdx_904_edei--PreCommencementIssuerTenderOffer_c20210630__20210630_zSOoXPpgSINd"><ix:nonNumeric contextRef="From2021-06-30to2021-06-30" format="ixt:booleanfalse" name="dei:PreCommencementIssuerTenderOffer">&#168;</ix:nonNumeric></span></span></td><td style="text-align: justify">Pre-commencement communications pursuant to Rule 13e-4(c)
under the Exchange Act (17 CFR 240.13e-4(c))</td>
</tr></table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Securities registered pursuant to Section 12(b) of the Act.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&#160;</p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="vertical-align: bottom">
    <td style="border-bottom: Black 1pt solid; width: 24%; font-size: 10pt; font-weight: bold; text-align: center"><b>Registrant</b></td>
    <td style="width: 2%; font-size: 10pt; font-weight: bold; padding-bottom: 1pt"><b>&#160;</b></td>
    <td style="border-bottom: Black 1pt solid; width: 24%; font-size: 10pt; font-weight: bold; text-align: center"><b>Title of each class</b></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 2%; padding-bottom: 1pt"><b>&#160;</b></td>
    <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; width: 23%; text-align: center"><b>Trading <br />
Symbol</b></td>
    <td style="font: 10pt Times New Roman, Times, Serif; width: 2%; padding-bottom: 1pt"><b>&#160;</b></td>
    <td style="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; width: 23%; text-align: center; padding-bottom: 1pt"><b>Name&#160;of&#160;each&#160;exchange<br />

    on&#160;which&#160;registered&#160;</b></td></tr>

<tr style="vertical-align: bottom">
    <td style="font-size: 10pt; text-align: left; width: 24%">United&#160;Airlines&#160;Holdings,&#160;Inc.</td><td style="font-size: 10pt; width: 2%">&#160;</td>
    <td style="font-size: 10pt; text-align: center; width: 24%"><span id="xdx_901_edei--Security12bTitle_c20210630__20210630__us-gaap--StatementClassOfStockAxis__us-gaap--CommonStockMember_zl025j65ZyGd"><ix:nonNumeric contextRef="From2021-06-302021-06-30_us-gaap_CommonStockMember" name="dei:Security12bTitle">Common Stock, $0.01 par value</ix:nonNumeric></span></td><td style="font-size: 10pt; width: 2%">&#160;</td>
    <td style="font-size: 10pt; text-align: center; width: 23%"><span id="xdx_904_edei--TradingSymbol_c20210630__20210630__us-gaap--StatementClassOfStockAxis__us-gaap--CommonStockMember_zrQsIwi6sTi6"><ix:nonNumeric contextRef="From2021-06-302021-06-30_us-gaap_CommonStockMember" name="dei:TradingSymbol">UAL</ix:nonNumeric></span></td><td style="font-size: 10pt; width: 2%">&#160;</td>
    <td style="font-size: 10pt; text-align: center; width: 23%"><span id="xdx_906_edei--SecurityExchangeName_c20210630__20210630__us-gaap--StatementClassOfStockAxis__us-gaap--CommonStockMember_zEnRDToWLBQ4"><ix:nonNumeric contextRef="From2021-06-302021-06-30_us-gaap_CommonStockMember" format="ixt-sec:exchnameen" name="dei:SecurityExchangeName">The Nasdaq Stock Market LLC</ix:nonNumeric></span></td></tr>
<tr style="vertical-align: bottom">
    <td style="font-size: 10pt; text-align: left">United&#160;Airlines&#160;Holdings,&#160;Inc.</td><td style="font-size: 10pt">&#160;</td>
    <td style="font-size: 10pt; text-align: center"><span id="xdx_90A_edei--Security12bTitle_c20210630__20210630__us-gaap--StatementClassOfStockAxis__custom--PreferredStockPurchaseRightsMember_zolx20AqRBeh"><ix:nonNumeric contextRef="From2021-06-302021-06-30_custom_PreferredStockPurchaseRightsMember" name="dei:Security12bTitle">Preferred Stock Purchase Rights</ix:nonNumeric></span></td><td style="font-size: 10pt">&#160;</td>
    <td style="font-size: 10pt; text-align: center">None</td><td style="font-size: 10pt">&#160;</td>
    <td style="font-size: 10pt; text-align: center"><span id="xdx_901_edei--SecurityExchangeName_c20210630__20210630__us-gaap--StatementClassOfStockAxis__custom--PreferredStockPurchaseRightsMember_z4MiF0VM4Lv2"><ix:nonNumeric contextRef="From2021-06-302021-06-30_custom_PreferredStockPurchaseRightsMember" format="ixt-sec:exchnameen" name="dei:SecurityExchangeName">The Nasdaq Stock Market LLC</ix:nonNumeric></span></td></tr>
<tr style="vertical-align: bottom">
    <td style="font-size: 10pt; text-align: left">United Airlines, Inc.</td><td style="font-size: 10pt">&#160;</td>
    <td style="font-size: 10pt; text-align: center">None</td><td style="font-size: 10pt">&#160;</td>
    <td style="font-size: 10pt; text-align: center">None</td><td style="font-size: 10pt">&#160;</td>
    <td style="font-size: 10pt; text-align: center">None</td></tr>
</table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Indicate by check mark whether the registrant is an emerging
growth company as defined in Rule 405 of the Securities Act of 1933 (&#167;230.405 of this chapter) or Rule 12b-2 of the Securities
Exchange Act of 1934 (&#167;240.12b-2 of this chapter).</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Emerging growth company&#160;<span style="font-family: Wingdings"><span id="xdx_908_edei--EntityEmergingGrowthCompany_c20210630__20210630_zA44Zv4qmZSl"><ix:nonNumeric contextRef="From2021-06-30to2021-06-30" format="ixt:booleanfalse" name="dei:EntityEmergingGrowthCompany">o</ix:nonNumeric></span></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">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 13(a) of the Exchange Act.&#160;<span style="font-family: Wingdings">o</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="font-family: Times New Roman, Times, Serif">&#160;</span></p>

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

<!-- Field: Rule-Page --><div style="margin-top: 0; margin-bottom: 0; width: 100%"><div style="border-top: Black 1pt solid; border-bottom: Black 2pt solid; font-size: 1pt">&#160;</div></div><!-- Field: /Rule-Page -->

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><span style="display: none; font-family: Times New Roman, Times, Serif; visibility: hidden"><span id="xdx_90F_edei--NoTradingSymbolFlag_c20210630__20210630__us-gaap--StatementClassOfStockAxis__custom--PreferredStockPurchaseRightsMember_zH91iAx6SuF5"><ix:nonNumeric contextRef="From2021-06-302021-06-30_custom_PreferredStockPurchaseRightsMember" format="ixt:booleantrue" name="dei:NoTradingSymbolFlag">True</ix:nonNumeric></span>&#160;</span></p>

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

<div style="display: none; visibility: hidden">
<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 50%">
<tr style="vertical-align: top; text-align: left; display: none; visibility: hidden">
    <td style="width: 46%; display: none; visibility: hidden">Co-Registrant CIK</td>
    <td style="width: 54%; display: none; visibility: hidden"><span id="xdx_904_edei--EntityCentralIndexKey_dxL_c20210630__20210630__dei--LegalEntityAxis__custom--UnitedAirLinesIncMember_zh94ZWroIYui"><span style="-sec-ix-hidden: xdx2ixbrl0043">0000319687</span></span></td></tr>
<tr style="vertical-align: top; text-align: left; display: none; visibility: hidden">
    <td style="display: none; visibility: hidden">Co-Registrant Amendment Flag</td>
    <td style="display: none; visibility: hidden"><span id="xdx_901_edei--AmendmentFlag_dxL_c20210630__20210630__dei--LegalEntityAxis__custom--UnitedAirLinesIncMember_zd5p5KiYrYl2"><span style="-sec-ix-hidden: xdx2ixbrl0044">false</span></span></td></tr>
<tr style="vertical-align: top; text-align: left; display: none; visibility: hidden">
    <td style="display: none; visibility: hidden">Co-Registrant Form Type</td>
    <td style="display: none; visibility: hidden"><span id="xdx_902_edei--DocumentType_dxL_c20210630__20210630__dei--LegalEntityAxis__custom--UnitedAirLinesIncMember_zeIJ7djjjuJf"><span style="-sec-ix-hidden: xdx2ixbrl0045">8-K</span></span></td></tr>
<tr style="vertical-align: top; text-align: left; display: none; visibility: hidden">
    <td style="display: none; visibility: hidden">Co-Registrant DocumentPeriodEndDate</td>
    <td style="display: none; visibility: hidden"><span id="xdx_906_edei--DocumentPeriodEndDate_dxL_c20210630__20210630__dei--LegalEntityAxis__custom--UnitedAirLinesIncMember_zXFVvvnNVFP9"><span style="-sec-ix-hidden: xdx2ixbrl0046">2021-06-30</span></span></td></tr>
<tr style="vertical-align: top; text-align: left; display: none; visibility: hidden">
    <td style="display: none; visibility: hidden">Co-Registrant Written Communications</td>
    <td style="display: none; visibility: hidden"><span id="xdx_90F_edei--WrittenCommunications_dxL_c20210630__20210630__dei--LegalEntityAxis__custom--UnitedAirLinesIncMember_zQLSP49wkvf5"><span style="-sec-ix-hidden: xdx2ixbrl0047">false</span></span></td></tr>
<tr style="vertical-align: top; text-align: left; display: none; visibility: hidden">
    <td style="display: none; visibility: hidden">Co-Registrant Solicitating Materials</td>
    <td style="display: none; visibility: hidden"><span id="xdx_90F_edei--SolicitingMaterial_dxL_c20210630__20210630__dei--LegalEntityAxis__custom--UnitedAirLinesIncMember_zVS45JGJ9EHa"><span style="-sec-ix-hidden: xdx2ixbrl0048">false</span></span></td></tr>
<tr style="vertical-align: top; text-align: left; display: none; visibility: hidden">
    <td style="display: none; visibility: hidden">Co-Registrant PreCommencement Tender Offer</td>
    <td style="display: none; visibility: hidden"><span id="xdx_90E_edei--PreCommencementTenderOffer_dxL_c20210630__20210630__dei--LegalEntityAxis__custom--UnitedAirLinesIncMember_zRUw4XyAOpb8"><span style="-sec-ix-hidden: xdx2ixbrl0049">false</span></span></td></tr>
<tr style="vertical-align: top; text-align: left; display: none; visibility: hidden">
    <td style="display: none; visibility: hidden">Co-Registrant PreCommencement Issuer Tender Offer</td>
    <td style="display: none; visibility: hidden"><span id="xdx_90D_edei--PreCommencementIssuerTenderOffer_dxL_c20210630__20210630__dei--LegalEntityAxis__custom--UnitedAirLinesIncMember_zCZ132NsBhqc"><span style="-sec-ix-hidden: xdx2ixbrl0050">false</span></span></td></tr>
<tr style="vertical-align: top; text-align: left; display: none; visibility: hidden">
    <td style="display: none; visibility: hidden">Co-Registrant Entity Emerging Growth Company</td>
    <td style="display: none; visibility: hidden"><span id="xdx_908_edei--EntityEmergingGrowthCompany_c20210630__20210630__dei--LegalEntityAxis__custom--UnitedAirLinesIncMember_zhbwRJpQq4ic"><ix:nonNumeric contextRef="From2021-06-302021-06-30_custom_UnitedAirLinesIncMember" format="ixt:booleanfalse" name="dei:EntityEmergingGrowthCompany">false</ix:nonNumeric></span></td></tr>

        </table>
  </div>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&#160;</p>

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

<!-- Field: Page; Sequence: 1 -->
    <div style="border-bottom: Black 1pt solid; margin-top: 12pt; margin-bottom: 6pt"><p style="margin: 0pt">&#160;</p></div>
    <div style="break-before: page; margin-top: 6pt; margin-bottom: 12pt"><p style="margin: 0pt">&#160;</p></div>
    <!-- Field: /Page -->

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&#160;</p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt">
  <tr style="vertical-align: top">
    <td style="width: 1in"><span style="font: 10pt Times New Roman, Times, Serif"><b>Item 8.01.</b></span></td>
    <td><b>Other Events.</b></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">As previously reported, (i) on September 28,
2020, United Airlines Holdings, Inc. (&#8220;UAL&#8221; and, together with United Airlines, Inc., the &#8220;Company&#8221;) entered
into a warrant agreement with the United States Department of the Treasury (&#8220;Treasury&#8221;) in connection with the Loan
Program established under Section 4003(b) of the Coronavirus Aid, Relief, and Economic Security Act (the &#8220;Loan Warrant
Agreement&#8221;), (ii) on January 15, 2021, UAL entered into a warrant agreement with Treasury in connection with the Coronavirus
Aid, Relief, and Economic Security Act, as extended by the Consolidated Appropriations Act, 2021 (the &#8220;PSP2 Warrant
Agreement&#8221;) and (iii) on April 29, 2021, UAL entered into a warrant agreement with Treasury in connection with the Payroll
Support Program established under Section 7301 of the American Rescue Plan Act of 2021 (the &#8220;PSP3 Warrant Agreement&#8221; and
together with the PSP2 Warrant Agreement and Loan Warrant Agreement, the &#8220;Warrant Agreements&#8221;). Pursuant to (i) the Loan
Warrant Agreement, UAL has issued to Treasury warrants to purchase up to 1,650,794 shares of common stock (the &#8220;Loan
Warrants&#8221;), (ii) the PSP2 Warrant Agreement, UAL has issued to Treasury warrants to purchase up to 271,470 shares of common stock (the &#8220;PSP2 Warrants&#8221;)
and (iii) the PSP3 Warrant Agreement, UAL has issued to Treasury warrants to purchase up to 1,501,790 shares of common
stock (the &#8220;PSP3 Warrants&#8221; and together with the Loan Warrants and the PSP2 Warrants, the &#8220;Warrants&#8221;). Each Warrant Agreement
entitles Treasury to customary registration rights.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">On November 17, 2020, the Company filed a shelf
registration statement on Form S-3 (File No. 333-250153) (the &#8220;Registration Statement&#8221;). The Registration Statement provides
for the sale of securities, including shares of common stock and warrants of UAL, from time to time by the Company and selling security
holders who may be named in a prospectus supplement. On the date hereof, UAL filed a prospectus supplement providing for the resale of
the Warrants by one or more selling security holders from time to time, as well as the resale of up to 3,424,054 shares of common stock
issuable upon exercise of such Warrants (collectively, the &#8220;Securities&#8221;).</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0.5in">Sidley Austin LLP, counsel to
UAL, has issued a legal opinion relating to the Securities. A copy of such legal opinion, including the consent included therein, is attached
as Exhibit 5.1 hereto.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The foregoing descriptions of the Warrant Agreements
do not purport to be complete and are qualified in their entirety by reference to the full text of each of the Loan Warrant Agreement,
filed herewith as Exhibit 4.1, the Form of Loan Warrant, filed herewith as Exhibit 4.2, the PSP2 Warrant Agreement, filed herewith as
Exhibit 4.3, the Form of PSP2 Warrant, filed herewith as Exhibit 4.4, the PSP3 Warrant Agreement, filed herewith as Exhibit 4.5 and the Form of PSP3 Warrant, filed herewith as Exhibit 4.6, each of which is incorporated herein by reference.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&#160;</p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt">
  <tr style="vertical-align: top; text-align: justify">
    <td style="width: 1in; text-align: left"><b>Item 9.01.</b></td>
    <td style="text-align: justify"><b>Financial Statements and Exhibits.</b></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&#160;</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: 5%; padding-right: 0.7pt">&#160;</td>
    <td style="width: 8%; padding-right: 0.7pt"><span style="font: 10pt Times New Roman, Times, Serif"><b>(d)</b></span></td>
    <td style="width: 87%; padding-right: 0.7pt"><span style="font: 10pt Times New Roman, Times, Serif"><b>Exhibits</b></span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&#160;</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-bottom: Black 1pt solid; width: 6%; padding-right: 0.7pt; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>Exhibit<br />
Number</b></span></td>
    <td style="width: 1%; padding-right: 0.7pt; text-align: center">&#160;</td>
    <td style="border-bottom: Black 1pt solid; width: 93%; padding-right: 0.7pt"><span style="font: 10pt Times New Roman, Times, Serif"><b>Description of Exhibit</b></span></td></tr>
  <tr style="vertical-align: top">
    <td style="padding-right: 0.7pt; text-align: center"><a href="http://www.sec.gov/Archives/edgar/data/100517/000110465920110493/tm2031884d2_ex4-1.htm" style="-sec-extract: exhibit"><span style="font: 10pt Times New Roman, Times, Serif">4.1</span></a></td>
    <td style="padding-right: 0.7pt">&#160;</td>
    <td style="padding-right: 0.7pt"><a href="http://www.sec.gov/Archives/edgar/data/100517/000110465920110493/tm2031884d2_ex4-1.htm" style="-sec-extract: exhibit"><span style="font: 10pt Times New Roman, Times, Serif">Warrant Agreement, dated as of September 28, 2020, between UAL and the United States Department of the Treasury (filed as Exhibit 4.1 to UAL&#8217;s Form 8-K filed on September 30, 2020, and incorporated herein by reference).</span></a></td></tr>
  <tr style="vertical-align: top">
    <td style="padding-right: 0.7pt; text-align: center"><a href="http://www.sec.gov/Archives/edgar/data/100517/000110465920110493/tm2031884d2_ex4-1.htm" style="-sec-extract: exhibit"><span style="font: 10pt Times New Roman, Times, Serif">4.2</span></a></td>
    <td style="padding-right: 0.7pt">&#160;</td>
    <td style="padding-right: 0.7pt"><a href="http://www.sec.gov/Archives/edgar/data/100517/000110465920110493/tm2031884d2_ex4-1.htm" style="-sec-extract: exhibit"><span style="font: 10pt Times New Roman, Times, Serif">Form of Warrant (included in Exhibit 4.1 as Annex B thereto). </span></a></td></tr>
  <tr style="vertical-align: top">
    <td style="padding-right: 0.7pt; text-align: center"><a href="https://www.sec.gov/Archives/edgar/data/100517/000010051721000005/exhibit42warrantagreementd.htm" style="-sec-extract: exhibit">4.3</a></td>
    <td style="padding-right: 0.7pt">&#160;</td>
    <td style="padding-right: 0.7pt"><a href="https://www.sec.gov/Archives/edgar/data/100517/000010051721000005/exhibit42warrantagreementd.htm" style="-sec-extract: exhibit">Warrant Agreement, dated as of January 15, 2021, between UAL and the United States Department of the Treasury (filed as Exhibit 4.2 to
UAL&#8217;s Form 8-K filed on January 20, 2021, and incorporated herein by reference).</a></td></tr>
  <tr style="vertical-align: top">
    <td style="padding-right: 0.7pt; text-align: center"><a href="https://www.sec.gov/Archives/edgar/data/100517/000010051721000005/exhibit42warrantagreementd.htm" style="-sec-extract: exhibit">4.4</a></td>
    <td style="padding-right: 0.7pt">&#160;</td>
    <td style="padding-right: 0.7pt"><a href="https://www.sec.gov/Archives/edgar/data/100517/000010051721000005/exhibit42warrantagreementd.htm" style="-sec-extract: exhibit">Form of Warrant (included in Exhibit 4.3 as Annex B thereto).</a></td></tr>
  <tr style="vertical-align: top">
    <td style="padding-right: 0.7pt; text-align: center"><a href="http://www.sec.gov/Archives/edgar/data/100517/000110465921058988/tm2114651d1_ex4-2.htm" style="-sec-extract: exhibit"><span style="font: 10pt Times New Roman, Times, Serif">4.5</span></a></td>
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    <td style="padding-right: 0.7pt"><a href="tm2121076d2_ex5-1.htm" style="-sec-extract: exhibit"><span style="font: 10pt Times New Roman, Times, Serif">Opinion of Sidley Austin LLP dated June 30, 2021.</span></a></td></tr>
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    <td style="padding-right: 0.7pt"><a href="tm2121076d2_ex5-1.htm" style="-sec-extract: exhibit"><span style="font: 10pt Times New Roman, Times, Serif">Consent of Sidley Austin LLP (included in Exhibit 5.1 hereto).</span></a></td></tr>
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    <td style="padding-right: 0.7pt"><span style="font: 10pt Times New Roman, Times, Serif">Cover Page Interactive Data File (embedded within the Inline XBRL document).</span></td></tr>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&#160;</p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><b>SIGNATURES</b></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.2in">Pursuant to the requirements of the Securities
Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</p>

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    <td style="border-bottom: Black 1pt solid; padding-right: 0.7pt; padding-left: 0.7pt">/s/ Gerald Laderman</td></tr>
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    <td style="padding-right: 0.7pt; padding-left: 0.7pt">&#160;</td>
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<DESCRIPTION>EXHIBIT 5.1
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<P STYLE="margin: 0"></P>

<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 CELLPADDING="0" CELLSPACING="0" STYLE="font-size: 10pt; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 20%"><IMG SRC="tm2121076d2_ex5-1img001.jpg" ALT=""></TD><TD STYLE="width: 80%; text-align: left"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Sidley
                                            Austin LLP</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">One
South Dearborn Street</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Chicago,
IL 60603</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">+1
312 853 7000</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">+1
312 853 7036 Fax</FONT></P>

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

<P STYLE="margin: 0pt 0; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; text-transform: uppercase">AMERICA
</FONT><FONT STYLE="font-family: Symbol; text-transform: uppercase">&middot;</FONT> <FONT STYLE="font-family: Times New Roman, Times, Serif; text-transform: uppercase">ASIA
PACIFIC </FONT><FONT STYLE="font-family: Symbol; text-transform: uppercase">&middot;</FONT> <FONT STYLE="font-family: Times New Roman, Times, Serif; text-transform: uppercase">EUROPE</FONT></P></TD>
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<P STYLE="margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">June 30, 2021</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">United Airlines Holdings, Inc.</P>

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

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1in"></TD><TD STYLE="width: 0.5in">Re:</TD><TD><U>Registration Statement on Form S-3 </U></TD></TR></TABLE>

<P STYLE="margin-top: 0pt; margin-bottom: 0pt; font: 10pt Times New Roman, Times, Serif">&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; margin: 0pt 0; text-indent: 0.5in">We refer to (i) the Registration Statement on
Form S-3, File No. 333-250153 (the &#8220;<U>Registration Statement</U>&#8221;), filed by United Airlines Holdings, Inc., a Delaware
corporation (the &#8220;<U>Company</U>&#8221;), with the Securities and Exchange Commission (the &#8220;<U>Commission</U>&#8221;)
under the Securities Act of 1933, as amended (the &#8220;<U>Securities Act</U>&#8221;), which Registration Statement became
effective upon filing pursuant to Rule 462(e) under the Securities Act, and (ii) the Prospectus Supplement of the Company dated June
30, 2021 (the &#8220;<U>Prospectus Supplement</U>&#8221;) filed with the Commission under the Securities Act relating to the
potential resale by one or more selling securityholders named therein from time to time of (w)&nbsp;warrants (the &#8220;<U>PSP3
Warrants</U>&#8221;) to purchase up to 1,501,790 shares of common stock of the Company, par value $0.01 per share (the
 &#8220;<U>Common Stock</U>&#8221;), in accordance with the terms of that certain Warrant Agreement, dated as of April 29, 2021 (as
it may be amended from time to time, the &#8220;<U>PSP3 Warrant Agreement</U>&#8221;), between the Company and the United States
Department of the Treasury, (x) warrants (the &ldquo;<U>PSP2 Warrants</U>&rdquo;) to purchase up to 271,470 shares of Common Stock,
in accordance with the terms of that certain Warrant Agreement, dated as of January 15, 2021 (as it may be amended from time to
time, the &ldquo;<U>PSP2 Warrant Agreement</U>&rdquo;), between the Company and the United States Department of the Treasury, (y)
warrants (the &#8220;<U>Loan Warrants</U>&#8221; and together with the PSP2 Warrants and the PSP3 Warrants, collectively, the
 &#8220;<U>Warrants</U>&#8221;) to purchase up to 1,650,794 shares of Common Stock, in accordance with the terms of that certain
Warrant Agreement, dated as of September 28, 2020 (as it may be amended from time to time, the &#8220;<U>Loan Warrant
Agreement</U>&#8221; and together with the PSP2 Warrant Agreement and the PSP3 Warrant Agreement, the &#8220;<U>Warrant
Agreements</U>&#8221;), between the Company and the United States Department of the Treasury and (z) up to 3,424,054 shares of
Common Stock issuable upon exercise of the Warrants (the &#8220;<U>Warrant Shares</U>&#8221; and, together with the Warrants, the
 &#8220;<U>Securities</U>&#8221;).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&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) of Regulation S-K under the Securities Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">We have examined the Registration Statement,
the Warrant Agreements, the Warrants, the Company&#8217;s amended and restated certificate of incorporation (the
 &#8220;<U>Charter</U>&#8221;), the Company&#8217;s amended and restated bylaws (the &#8220;<U>Bylaws</U>&#8221;) and the resolutions
adopted by the board of directors of the Company relating to the Registration Statement and the issuance of the Securities by the
Company. 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>

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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="tm2121076d2_ex5-1img002.jpg" ALT="">&nbsp;</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, Inc.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">June 30, 2021</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-size: 10pt">Page </FONT>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 and subject to the foregoing and the other
limitations, qualifications and assumptions set forth herein, we are of the opinion that:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.75in">1.<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>The Warrants constitute valid and binding obligations of the Company.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.75in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.75in">2.<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>The Warrant Shares have been duly authorized and, when issued upon exercise of the Warrants in the manner described in the Prospectus
Supplement and in accordance with the terms of the applicable Warrant Agreement and the applicable Warrants, will be validly issued, fully
paid and non-assessable when certificates representing such shares of Common Stock shall have been duly executed, countersigned and registered
and duly delivered in accordance with the applicable definitive purchase, underwriting or similar agreement upon payment of the agreed
consideration therefor in an amount not less than the aggregate par value thereof or, if any such shares of Common Stock are to be issued
in uncertificated form, the Company&#8217;s books shall reflect the issuance of such shares of Common Stock in accordance with the applicable
definitive purchase, underwriting or similar agreement upon payment of the agreed consideration therefor in an amount not less than the
aggregate par value thereof.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.75in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">For the purposes of this opinion letter, we have
assumed that, at the time of the offer, sale and delivery of any of the Securities:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">(i) the Securities being offered will be offered
and sold as contemplated in the Registration Statement and the Prospectus Supplement;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">(ii) the performance by the Company of the Warrant
Agreements, and the offer, sale and delivery of the Securities will not (A) contravene or violate the Charter or Bylaws, (B) violate any
law, rule or regulation applicable to the Company, (C) result in a default under or breach of any agreement or instrument binding upon
the Company or any order, judgment or decree of any court or governmental authority applicable to the Company, or (D) require any authorization,
approval or other action by, or notice to or filing with, any court or governmental authority (other than such authorizations, approvals,
actions, notices or filings which shall have been obtained or made, as the case may be, and which shall be in full force and effect);</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">(iii) the authorization of the issuance of the
Warrant Shares will not have been modified or rescinded, and there will not have occurred any change in law affecting the validity, legally
binding character or enforceability thereof; and</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; margin-top: 0pt; margin-right: 0; margin-bottom: 0pt"><IMG SRC="tm2121076d2_ex5-1img003.jpg" ALT="">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">June 30, 2021</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">(iv) the Charter and the Bylaws, each as currently
in effect, will not have been modified or amended and will be in full force and effect.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">With respect to each instrument or agreement referred
to in or otherwise relevant to the opinions set forth herein (each, an &#8220;I<U>nstrument</U>&#8221;), we have assumed, to the extent
relevant to the opinions set forth herein, that (i) each party to such Instrument (if not a natural person) was duly organized or formed,
as the case may be, and was at all relevant times and is validly existing and in good standing under the laws of its jurisdiction of organization
or formation, as the case may be, and had at all relevant times and has full right, power and authority to execute, deliver and perform
its obligations under such Instrument; (ii) such Instrument has been duly authorized, executed and delivered by each party thereto; and
(iii) such Instrument was at all relevant times and is a valid, binding and enforceable agreement or obligation, as the case may be, of,
each party thereto; <U>provided</U> that we make no assumption in clause (iii) insofar as it relates to the Company and is expressly covered
by our opinions set forth herein.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Our opinions are subject to bankruptcy, insolvency,
reorganization, moratorium, fraudulent conveyance, fraudulent transfer and other similar laws relating to or affecting creditors&#8217;
rights generally and to general equitable principles (regardless of whether considered in a proceeding in equity or at law), including
concepts of commercial reasonableness, good faith and fair dealing and the possible unavailability of specific performance or injunctive
relief.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="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 and the laws of the State of New York (excluding the securities laws of the State of New York). We express
no opinion as to the laws, rules 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; text-indent: 0.5in">&nbsp;</P>

<P STYLE="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 7 of the
Securities Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 50%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 50%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Very
    truly yours,</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD></TR>
  <TR STYLE="font: 10pt Times New Roman, Times, Serif; vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
    Sidley Austin LLP</FONT></TD></TR>
  </TABLE>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3.25in">&nbsp;</P>

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

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<TYPE>EX-101.DEF
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<DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE
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</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>5
<FILENAME>ual-20210630_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE
<TEXT>
<XBRL>
<?xml version="1.0" encoding="US-ASCII" standalone="no"?>
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</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>6
<FILENAME>ual-20210630_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE
<TEXT>
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<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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<body>
<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm139734040123304">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Cover<br></strong></div></th>
<th class="th"><div>Jun. 30, 2021</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityInformationLineItems', window );"><strong>Entity Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentType', window );">Document Type</a></td>
<td class="text">8-K<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_AmendmentFlag', window );">Amendment Flag</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">Jun. 30,  2021<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityFileNumber', window );">Entity File Number</a></td>
<td class="text">001-06033<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityRegistrantName', window );">Entity Registrant Name</a></td>
<td class="text">UNITED AIRLINES HOLDINGS, INC.<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityCentralIndexKey', window );">Entity Central Index Key</a></td>
<td class="text">0000100517<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity Tax Identification Number</a></td>
<td class="text">36-2675207<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityIncorporationStateCountryCode', window );">Entity Incorporation, State or Country Code</a></td>
<td class="text">DE<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressAddressLine1', window );">Entity Address, Address Line One</a></td>
<td class="text">233 S. Wacker Drive<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressCityOrTown', window );">Entity Address, City or Town</a></td>
<td class="text">Chicago<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressStateOrProvince', window );">Entity Address, State or Province</a></td>
<td class="text">IL<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressPostalZipCode', window );">Entity Address, Postal Zip Code</a></td>
<td class="text">60606<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_CityAreaCode', window );">City Area Code</a></td>
<td class="text">872<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LocalPhoneNumber', window );">Local Phone Number</a></td>
<td class="text">825-4000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_WrittenCommunications', window );">Written Communications</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SolicitingMaterial', window );">Soliciting Material</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_PreCommencementTenderOffer', window );">Pre-commencement Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_PreCommencementIssuerTenderOffer', window );">Pre-commencement Issuer Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityEmergingGrowthCompany', window );">Entity Emerging Growth Company</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=us-gaap_CommonStockMember', window );">Common Stock [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityInformationLineItems', window );"><strong>Entity Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_Security12bTitle', window );">Title of 12(b) Security</a></td>
<td class="text">Common Stock, $0.01 par value<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">UAL<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NASDAQ<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=UAL_PreferredStockPurchaseRightsMember', window );">Preferred Stock Purchase Rights</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityInformationLineItems', window );"><strong>Entity Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_Security12bTitle', window );">Title of 12(b) Security</a></td>
<td class="text">Preferred Stock Purchase Rights<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_NoTradingSymbolFlag', window );">No Trading Symbol Flag</a></td>
<td class="text">true<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NASDAQ<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=UAL_UnitedAirLinesIncMember', window );">UNITED AIRLINES, INC.</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityInformationLineItems', window );"><strong>Entity Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentType', window );">Document Type</a></td>
<td class="text">8-K<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_AmendmentFlag', window );">Amendment Flag</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">Jun. 30,  2021<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityFileNumber', window );">Entity File Number</a></td>
<td class="text">001-10323<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityRegistrantName', window );">Entity Registrant Name</a></td>
<td class="text">UNITED AIRLINES, INC.<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityCentralIndexKey', window );">Entity Central Index Key</a></td>
<td class="text">0000319687<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity Tax Identification Number</a></td>
<td class="text">74-2099724<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityIncorporationStateCountryCode', window );">Entity Incorporation, State or Country Code</a></td>
<td class="text">DE<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressAddressLine1', window );">Entity Address, Address Line One</a></td>
<td class="text">233 S. Wacker Drive<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressCityOrTown', window );">Entity Address, City or Town</a></td>
<td class="text">Chicago<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressStateOrProvince', window );">Entity Address, State or Province</a></td>
<td class="text">IL<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressPostalZipCode', window );">Entity Address, Postal Zip Code</a></td>
<td class="text">60606<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_CityAreaCode', window );">City Area Code</a></td>
<td class="text">872<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LocalPhoneNumber', window );">Local Phone Number</a></td>
<td class="text">825-4000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_WrittenCommunications', window );">Written Communications</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SolicitingMaterial', window );">Soliciting Material</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_PreCommencementTenderOffer', window );">Pre-commencement Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_PreCommencementIssuerTenderOffer', window );">Pre-commencement Issuer Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityEmergingGrowthCompany', window );">Entity Emerging Growth Company</a></td>
<td class="text">false<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_AmendmentFlag">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AmendmentFlag</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CityAreaCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Area code of city</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CityAreaCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentPeriodEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented.  If there is no historical data in the report, use the filing date. The format of the date is YYYY-MM-DD.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentPeriodEndDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentType">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentType</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:submissionTypeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressAddressLine1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Address Line 1 such as Attn, Building Name, Street Name</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressAddressLine1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressCityOrTown">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the City or Town</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressCityOrTown</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressPostalZipCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Code for the postal or zip code</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressPostalZipCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressStateOrProvince">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the state or province.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressStateOrProvince</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:stateOrProvinceItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCentralIndexKey">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCentralIndexKey</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:centralIndexKeyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityEmergingGrowthCompany">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate if registrant meets the emerging growth company criteria.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityEmergingGrowthCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityFileNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityFileNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:fileNumberItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityIncorporationStateCountryCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Two-character EDGAR code representing the state or country of incorporation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityIncorporationStateCountryCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarStateCountryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityInformationLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityInformationLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityRegistrantName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityRegistrantName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityTaxIdentificationNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityTaxIdentificationNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:employerIdItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LocalPhoneNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Local phone number for entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LocalPhoneNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_NoTradingSymbolFlag">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true only for a security having no trading symbol.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_NoTradingSymbolFlag</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_PreCommencementIssuerTenderOffer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 13e<br> -Subsection 4c<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_PreCommencementIssuerTenderOffer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_PreCommencementTenderOffer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 14d<br> -Subsection 2b<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_PreCommencementTenderOffer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_Security12bTitle">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Title of a 12(b) registered security.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_Security12bTitle</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:securityTitleItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_SecurityExchangeName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the Exchange on which a security is registered.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection d1-1<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SecurityExchangeName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarExchangeCodeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_SolicitingMaterial">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Section 14a<br> -Number 240<br> -Subsection 12<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SolicitingMaterial</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_TradingSymbol">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Trading symbol of an instrument as listed on an exchange.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_TradingSymbol</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Securities Act<br> -Number 230<br> -Section 425<br></p></div>
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<tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementClassOfStockAxis=UAL_PreferredStockPurchaseRightsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementClassOfStockAxis=UAL_PreferredStockPurchaseRightsMember</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
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end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
