<SEC-DOCUMENT>0000950170-24-052223-index.html : 20240502
<SEC-HEADER>0000950170-24-052223.hdr.sgml : 20240502
<ACCEPTANCE-DATETIME>20240502163523
ACCESSION NUMBER:		0000950170-24-052223
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		12
CONFORMED PERIOD OF REPORT:	20240426
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20240502
DATE AS OF CHANGE:		20240502

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SAIA INC
		CENTRAL INDEX KEY:			0001177702
		STANDARD INDUSTRIAL CLASSIFICATION:	TRUCKING (NO LOCAL) [4213]
		ORGANIZATION NAME:           	01 Energy & Transportation
		IRS NUMBER:				481229851
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-49983
		FILM NUMBER:		24909090

	BUSINESS ADDRESS:	
		STREET 1:		11465 JOHNS CREEK PARKWAY
		STREET 2:		STE 400
		CITY:			JOHNS CREEK
		STATE:			GA
		ZIP:			30097
		BUSINESS PHONE:		7702325067

	MAIL ADDRESS:	
		STREET 1:		11465 JOHNS CREEK PARKWAY
		STREET 2:		STE 400
		CITY:			JOHNS CREEK
		STATE:			GA
		ZIP:			30097

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SCS TRANSPORTATION INC
		DATE OF NAME CHANGE:	20020717
</SEC-HEADER>
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Document 1 - file: saia-20240426.htm

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<DESCRIPTION>EX-99.1
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Document 2 - file: saia-ex99_1.htm

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<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>3
<FILENAME>saia-20240426.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT
<TEXT>
Document 3 - file: saia-20240426.xsd

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<TEXT>
Document 5 - file: R1.htm

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<TEXT>
Document 6 - file: Financial_Report.xlsx

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<SEQUENCE>7
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<TEXT>
Document 7 - file: Show.js

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<TYPE>XML
<SEQUENCE>8
<FILENAME>report.css
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<TEXT>
Document 8 - file: report.css

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<TYPE>XML
<SEQUENCE>10
<FILENAME>FilingSummary.xml
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<TEXT>
Document 10 - file: FilingSummary.html

Document 10 - RAW XML: FilingSummary.xml

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<FILENAME>MetaLinks.json
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<TEXT>
Document 12 - file: MetaLinks.json

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<TYPE>ZIP
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Document 13 - file: 0000950170-24-052223-xbrl.zip

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<SEQUENCE>15
<FILENAME>saia-20240426_htm.xml
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<TEXT>
Document 15 - file: saia-20240426_htm.html

Document 15 - RAW XML: saia-20240426_htm.xml

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