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Houston Airport Informational Guide to George Bush Intercontinental Airport (IAH) - NON OFFICIAL

IAH Terminal B

George Bush Airport Terminal B handles the United Express domestic flights and international departures, as it is the single tenant of the terminal.

Along with Terminal A, opened its gates in 1969 and barely altered its design and distribution since then.

Terminal Map Houston Airport

Check the Terminal Map of Houston Airport. Terminal B is located between Terminal A and Marriott Hotel.

Houston Terminal Map


Houston Airport Terminal B consist of North and South concourses, which divides the terminal into two sectors.

The terminal building has 4 levels:

Level LL

Access to the Subway that runs to Terminals A/C/D/E and Marriott Hotel. It is only possible to access to the Subway through the pre-security terminal area.

Level 1 

This is the Arrivals Level. Passengers will find here baggage claim, access to ground transportation and access to parking. 

There are some services available in the area too. 

 Level 2

Departures and check-in level. 

It has gates from B1 to B88 divided in different concourses:

- Concourse from gates B1 to B11.

- Concourse from gates B12 to B20.

- Concourse from gates B21 to B31.

- An area divided in two group of gates/concourses:

North Concourse:

B76, B76a, B77, B77a, B79, B79a, B80, B81, B81a, B83, B83a.

B85, B85a, B86, B86a, B87, B88. 

South Concourse:

B1-B31, B12-B20 and B1-B11.

Level 3

In this level passengers will find the Skyway (elevated train) that runs to the terminals A/C/D/E. The Skyway is only accessible when crossing the secured concourse.

Transfer between Terminals

Passengers can move through terminals by the Skyway on airside or the Subway in landside.

Get more information here


- Restaurants and cafeterias
- Duty Free
- Shops
- ATMs
- Baggage Carts and Wrap
- Defibrillators
- Foreign Currency Exchange
- Nursery
- Power Charging Stations
- Rapid Charger Machines
- Pet Relief Area
- Telephones
- TTY Phones
- Water Bottle Filling Stations
- Vending Machines

See more Services


Marriott Hotel is located between Terminals B and C. It has a Subway Station as well.  

Airport lounges

United Airlines United Club: Terminal B. Services: snacks, Wi-Fi, newspapers and magazines, telephones, non-smoking, TV, among others. 

Purchase your pass to Terminal B George Bush Airport lounges