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    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		41
    CONFORMED PERIOD OF REPORT:	20210427
    FILED AS OF DATE:		20210322
    DATE AS OF CHANGE:		20210322

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

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    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-49983
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    		STREET 1:		11465 JOHNS CREEK PARKWAY
    		STREET 2:		STE 400
    		CITY:			JOHNS CREEK
    		STATE:			GA
    		ZIP:			30097
    		BUSINESS PHONE:		7702325067

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    		STREET 2:		STE 400
    		CITY:			JOHNS CREEK
    		STATE:			GA
    		ZIP:			30097

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