Terminals B, C, and E at George Bush Intercontinental Airport (IAH) are the main hubs for United Airlines IAH Terminal operations. With their smooth connections for both domestic and international flights, these terminals are built for efficiency and ease. Dining options, shopping, and cozy seating places are just a few of the many attractions available to travelers. To ensure a seamless and trouble-free beginning to your trip, United Airlines' check-in desks and kiosks are positioned thoughtfully across these terminals.