Detroit Metropolitan Wayne County Airport Airport codesDTWKDTW, usually called Detroit Metro Airport, Metro Airport locally, or simply DTW, is a major international airport in Romulus, Michigan, a suburb of Detroit. It is Michigans busiest airport.

Detroit is the second-largest hub for Delta Air Lines, and serves as the airlines primary gateway to Asia. It is also one of SkyTeams major Midwestern hubs. It is also the second-largest base for Spirit Airlines, where the airline was founded and once operated its largest hub. Operated by the Wayne County Airport Authority, the airport is one of the nations most-recently expanded and modernized airports, with six major runways, two terminals, 145 in-service gates, and an on-site Westin Hotel and conference center. The McNamara Terminal Concourse A is the worlds second-longest airport terminal building at one mile (1.6 km) It is just surpassed by the 1.06-mile 1.7 km long Kansai International Airport). The airport has maintenance facilities capable of servicing and repairing aircraft as large as the Boeing 747.

In 2008, Detroit Metropolitan Wayne County Airport was the 13th-busiest airport in the United States and the 24th busiest airport in the world (Worlds busiest airports by passenger traffic) in terms of passenger traffic. Through August 2008, the airport remained one of the top ten U.S. international gateway airports. Metro Airport also serves the Toledo (Toledo, Ohio), Ohio, area, which is located approximately convert47mikm0 south of the airport, and the city of Windsor, Ontario and Southwestern Ontario in nearby Canada. The airport serves over 160 destinations in Canada, the USA, Mexico, the Caribbean, Europe, the Middle East, and Far East Asia.

In 2009, Daily Beast ranked Detroit Metro fifth among U.S. airports.

In 2010, Detroit Metro Airport was named the best large U.S. airport in customer satisfaction by J.D. Power & Associates.