The Houston Airport System is the City of Houston's Department of Aviation. The Houston Airport System manages and operates three airports: George Bush Intercontinental Airport (IAH), William P. Hobby Airport (HOU) and Ellington Airport/Houston Spaceport (EFD). Highlights pertaining to each airport facility can be viewed below.

• Houston's largest airport and the 16th busiest airport in North America, according to ACI-NA (2019)
• More than 11,000 acres
• More than 45 million passengers traveled through IAH in 2019, including more than 10 million international passengers
• 27 passenger airlines
• 5 passenger terminals

• Welcomed international air service in 2015
• Air service to 83 destinations throughout the U.S., Latin America and the Caribbean
• More than 14.4 million passengers served in 2019
• 40th busiest airport in North America, according to ACI-NA (2019)
• New federal inspection services facility opened October 2015

• Became the nation's 10th licensed commercial spaceport in June 2015
• Supports the operations of the United States Military, NASA and a variety of general aviation tenants
• Home of the annual Wings Over Houston Airshow
• Provides 24-hour air traffic control services