IAH Terminals
George Bush Intercontinental Airport (IAH) is one of the largest international hubs in the United States, serving Houston and acting as a key gateway to Latin America, Europe and Asia.
IAH is very large. Always allow extra time for connections between terminals.
History & Development
Opened in 1969, IAH was designed to replace older Houston airports and quickly became a major international hub. It has expanded significantly with modern terminals and infrastructure.
Terminals Overview
Terminal A
Houston Airport Terminal A hosts all domestic and short-haul flights from and to the airport, excepting those by Canadian, United and even some United Express domestic international departures.
Terminal B
Houston Airport Terminal B is exclusively used by United Express domestic flights and international departures.
Terminal C
Houston Airport Terminal C stands for United Airlines domestic terminal.
Terminal D
Terminal D is the main gateway for international flights, excepting those operated by United, and some United Express International Arrivals.
Terminal E
Houston Airport Terminal E is the main terminal for the international flights for all other terminals.
Use the Skyway train (airside) for faster connections.
Popular Routes from IAH
Facilities
- Free Wi-Fi across all terminals
- ATMs and currency exchange
- Luggage services and storage
- Charging stations and work areas
Family & Accessibility Services
- Baby changing rooms and family restrooms
- Wheelchair assistance available
- Accessible elevators and transport systems
Security & Baggage Control
Security checkpoints are located in each terminal. Waiting times vary depending on traffic and time of day. TSA PreCheck is available.
Tip: Morning and evening flights have the longest queues.
Check-in & Boarding
- Check-in opens 2–3 hours before departure
- Online check-in recommended
- Boarding starts 30–50 minutes before departure
Lost & Found
Lost items should be reported to the airport Lost & Found office or your airline.
Estimated Processing Times
Transfer between terminals
At Houston Airport it is possible to transfer between terminals either by the underground train (Subway) or the elevated train (Skyway), since they are connected one each other by these means of transport:
- Subway: Available in the Level LL of all terminals.
- Skyway: Available in the third level of all terminals.