George Bush Intercontinental Houston Airport (ICAO: KIAH, IATA: IAH) is an international airport that serves the greater Houston area and ranks as 'Best U.S. Airport'.

George Bush Intercontinental Airport has scheduled flights to a large number of domestic and international destinations covering five continents.

It is the busiest airport in Texas for international passenger traffic and number of international destinations, as well as being the second busiest airport in Texas overall, and the 15th busiest in the United States for total passenger traffic.

IAH has 5 runways, five terminals and 131 total gates, 101 with jet bridges and 30 hardstands.

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• Terminal A is primarily used by non-United domestic carriers. It contains 20 gates.
  
• Terminal B is used for United Express flights. It contains 40 gates, including 30 hardstands.
  
• Terminal C is used for United domestic flights. It contains 29 gates.
  
• Terminal D is used for non-United international flights. It contains 12 gates.
  
• Terminal E is used for United international flights. It contains 24 gates.