Southwest Airlines' main base of operations at George Bush Intercontinental Airport (IAH) is Terminal A. To improve Southwest Airlines IAH Terminal your journey, this terminal offers a variety of services, such as restaurants and retail stores. Passengers may easily navigate Terminal A as it houses the Southwest check-in counters and gates. Because gate assignments are subject to change, make sure you keep an eye on your flight status and gate details via the airport's displays or the Southwest app. You'll have plenty of time to check in, clear security, and peruse the terminal's offerings if you arrive early.