Flying with United Airlines through Houston’s George Bush Intercontinental Airport ? The United Airlines IAH Terminal includes both Terminal C and Terminal E, offering a wide range of services for domestic and international travelers. Explore a complete terminal guide with updated check-in details, security checkpoints, gate numbers, baggage services, and lounge access. Whether you’re heading out or arriving, our expert resources help you navigate the United Airlines IAH Terminal with confidence. Find terminal maps, flight updates, and time-saving tips all in one place.