The Metropolitan Washington Airports Authority (MWAA) is an independent airport authority, created with the consent of the United States Congress to oversee management, operations, and capital development of the two major airports serving the U.S. national capital: Ronald Reagan Washington National Airport and Washington Dulles International Airport.

Ronald Reagan Washington National Airport, referred to colloquially as Reagan Airport, Reagan National, and National Airport, is a civil airport located in Crystal City, Virginia, in Arlington County, Virginia, 5 miles (8.0 km) from Washington, D.C. It is the closest airport to Washington, D.C., the nation's capital, the 23rd-busiest airport in the nation, and the busiest airport in both the Washington metropolitan area and the Washington–Baltimore combined statistical area.