George Bush Intercontinental Airport Houston (IATA: IAH, ICAO: KIAH) (for International Airport Houston) is 23 miles north of downtown Houston, Texas. It is located between Interstate 45 and Highway 59, inside the Houston city limits in the Aldine area, and is adjacent to Humble. It is frequently referred to as Houston Airport.

Bush Intercontinental is Texas' second largest air facility, after Dallas-Fort Worth International Airport. The airport has flights to parts of the United States, as well as to Canada, Central and South America, Europe, Africa and Asia.

George Bush Intercontinental Airport served 43,176,478 passengers in 2008 making the airport the eighth busiest for total passengers in North America

The airport currently ranks second in the United States among U.S. airports with scheduled non-stop domestic and international service with 221 destinations, trailing only Atlanta's Hartsfield-Jackson with 250 destinations. Furthermore, about 45% of the airport's passengers begin or terminate their journey at the airport.

Bush Intercontinental also has the highest on-time performance of any major United States airport, according to the latest United States Department of Transportation report.

With 30 destinations in Mexico, Bush Intercontinental offers service to more Mexican destinations than any other U.S. airport. Houston is also the headquarters of Continental Airlines, and Bush Intercontinental is Continental's largest hub, with 771 daily departures.