George Bush Intercontinental Airport (IATA: IAH, ICAO: KIAH, FAA LID: IAH) is an international airport in Houston, Texas, United States, under class B airspace, serving the Greater Houston metropolitan area. Located about 23 miles (37 km) north of Downtown Houston, between Interstate 45 and Interstate 69/U.S. Highway 59 with direct access to the Hardy Toll Road expressway, George Bush Intercontinental Airport has scheduled flights to a large number of domestic and international destinations. The airport, originally named "Houston Intercontinental Airport", was later renamed after George H. W. Bush, the 41st President of the United States.
In 2017, the airport served 40,696,189 passengers, making it the 48th busiest airport in the world, and the 15th busiest airport in the United States. IAH covers 10,000 acres (40.5 km2.) of land and has five runways.
Houston Intercontinental is the second largest passenger hub for United Airlines. The airport also serves as a focus city for Spirit Airlines. Under operations as United Express, ExpressJet, Mesa Airlines, Republic Airline, and SkyWest Airlines operate hub operations from IAH. It served as a hub for Houston-based Texas International Airlines , later Continental Airlines and commuter air carrier Metro Airlines, which was also based in the Houston area and started its first flights when Intercontinental opened in 1969. The airport also serves as a hub for Atlas Air, which hosts a crew base, maintenance, and cargo logistics.
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