United Airlines operates primarily out of Terminal B at George Bush Intercontinental United Airlines IAH Terminal Airport (IAH) in Houston, Texas. This terminal serves as a major hub for United, offering a wide range of domestic and international flights. Travelers can expect to find numerous amenities, including restaurants, shops, lounges, and efficient check-in and security procedures. For those seeking a more premium experience, United Polaris lounges are available for eligible passengers, providing comfortable seating, gourmet food, and premium beverages.