Southwest Airlines IAH Terminal +1-888-839-0502 Operating out of Terminal A at George Bush Intercontinental Airport (IAH), Southwest Airlines offers its passengers a seamless flying experience. Southewest Airlines IAH Terminal In addition to a number of check-in choices, the Southwest Airlines IAH Terminal features full-service counters and self-service kiosks for speedy processing. While you wait, there is free Wi-Fi, a large waiting room with cozy chairs, and a variety of food options. After boarding, travelers can select any available seat thanks to Southwest's distinctive open seating policy. Priority boarding is available to Rapid Rewards members and Early Bird check-in users.......See More