George Bush Intercontinental Airport (IAH) in Houston is home to Terminal A. This well-maintained facility  Southwest Airlines IAH Terminal is typified by easy access to baggage claim, security checkpoints, and check-in counters at the Southwest Airlines IAH Terminal. Because Terminal A offers a variety of services, including dining options, retail establishments, and seating areas, travelers will find it handy. Southwest flights from IAH typically service domestic destinations. Particularly during times of high travel demand, travelers are advised to arrive early for a better experience and to use mobile check-in to save time.