- Southwest Airlines ABQ Terminal – Albuquerque International Sunport
- Southwest Airlines ALB Terminal – Albany Airport
- Southwest Airlines AMA Terminal – Rick Husband Amarillo Airport
- Southwest Airlines ATL Terminal – Hartsfield-Jackson Atlanta Airport
- Southwest Airlines AUS Terminal – Austin-Bergstrom Airport
- Southwest Airlines BDL Terminal – Bradley Airport
- Southwest Airlines BOS Terminal – Boston Logan Airport
- Southwest Airlines BUF Terminal – Buffalo Niagara Airport
- Southwest Airlines BUR Terminal – Hollywood Burbank Airport
- Southwest Airlines BWI Terminal – Baltimore Washington Thurgood Marshall Airport
- Southwest Airlines CAK Terminal – Akron-Canton Airport
- Southwest Airlines CLE Terminal – Cleveland Hopkins Airport
- Southwest Airlines CLT Terminal – Charlotte Douglas Airport
- Southwest Airlines CUN Terminal – Cancun Airport
- Southwest Airlines CZM Terminal – Cozumel Airport
- Southwest Airlines DAL Terminal – Dallas Love Field Airport
- Southwest Airlines DAY Terminal – Dayton Airport
- Southwest Airlines DEN Terminal – Denver Airport
- Southwest Airlines DEN Terminal – Stapleton Airport
- Southwest Airlines DET Terminal – Coleman A. Young Airport
- Southwest Airlines DFW Terminal – Dallas Fort Worth Airport
- Southwest Airlines DTW Terminal – Detroit Metropolitan Wayne County Airport
- Southwest Airlines ELP Terminal – El Paso Airport
- Southwest Airlines EWR Terminal – Newark Liberty Airport
- Southwest Airlines EYW Terminal – Key West Airport
- Southwest Airlines FAT Terminal – Fresno Yosemite Airport
- Southwest Airlines FLL Terminal – Fort Lauderdale-Hollywood Airport
- Southwest Airlines HOU Terminal – William P. Hobby Airport
- Southwest Airlines IAH Terminal – George Bush Intercontinental Airport
- Southwest Airlines IND Terminal – Indianapolis Airport
- Southwest Airlines ITO Terminal – Hilo Airport
- Southwest Airlines KOA Terminal – Kona Airport
- Southwest Airlines LAS Terminal – Harry Reid Airport
- Southwest Airlines LGA Terminal – LaGuardia Airport
- Southwest Airlines LGB Terminal – Long Beach Airport
- Southwest Airlines MCI Terminal – Kansas City Airport
- Southwest Airlines MCO Terminal – Orlando Airport
- Southwest Airlines MDW Terminal – Chicago Midway Airport
- Southwest Airlines MIA Terminal – Miami Airport
- Southwest Airlines MSP Terminal – Minneapolis-Saint Paul Airport
- Southwest Airlines OGG Terminal – Kahului Airport
- Southwest Airlines OMA Terminal – Eppley Airfield Airport
- Southwest Airlines ONT Terminal – Ontario Airport
- Southwest Airlines ORD Terminal – Chicago O’Hare Airport
- Southwest Airlines PBI Terminal – Palm Beach Airport
- Southwest Airlines PDX Terminal – Portland Airport
- Southwest Airlines PHX Terminal – Phoenix Sky Harbor Airport
- Southwest Airlines RNO Terminal – Reno-Tahoe Airport
- Southwest Airlines SFO Terminal – San Francisco Airport
- Southwest Airlines SJO Terminal – Juan Santamaría Airport
- Southwest Airlines SJU Terminal – Luis Munoz Marin Airport
- Southwest Airlines STL Terminal – St. Louis Lambert Airport
- Southwest Airlines TPA Terminal – Tampa Airport
- Southwest Airlines VPS Terminal – Destin-Fort Walton Beach Airport