Exhibit 32
 

 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, 

AS ADOPTED PURSUANT TO 

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 
 

In connection with the Annual Report on Form 10-K of Southwest Airlines Co. (the “Company”) for the period ended December 31, 2017, as filed with the Securities and Exchange Commission (the “Report”), Gary C. Kelly, Chairman of the Board & Chief Executive Officer of the Company, and Tammy Romo, Senior Vice President Finance & Chief Financial Officer of the Company, each certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and 

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. 

Date:  February 7, 2018

By:	/s/ Gary C. Kelly
	Gary C. Kelly
	Chairman of the Board & Chief Executive Officer  (Principal Executive Officer)

By:	/s/ Tammy Romo
	Tammy Romo
	Executive Vice President & Chief Financial Officer (Principal Financial & Accounting Officer)