Houston Airport System exists to connect people, businesses, cultures, and economies of the world to Houston. The Houston Air ... port System is the City of Houston’s Department of Aviation. Comprised of George Bush Intercontinental Airport (IAH), William P. Hobby Airport (HOU) and Ellington Airport (EFD) / Houston Spaceport, Houston Airports served nearly 60 million passengers in 2019. Houston Airports form one of North America's largest public airport systems and position Houston as the international passenger and cargo gateway to the South Central United States and a primary gateway to Latin America. Houston is proud to be the only city in the Western Hemisphere with two Skytrax rated 4-star airports. read more