Washington Dulles International Airport

Washington Dulles International Airport (IATA: IAD, ICAO: KIAD) is a large airport in Dulles, Virginia, United States. It opened in 1962. It has 4 runways; the longest is 11,500 ft (3,505 m). It is operated by Metropolitan Washington Airports Authority. In 2025 it handled 27.9 million passengers.
Timeline
3 events · 1962–1987Runways & airfield
Schematic · N · © OpenStreetMap · FAA diagram PDFPassengers per year
2014–2025Routes
166 destinations · 51 countriesStraight lines are great circles; rings mark true distance from IAD. Dashed: seasonal or charter. Blue: cargo. From the Wikipedia article “Dulles International Airport” (revision of 25 Sep 2026), CC BY-SA 4.0.
Airlines
56 airlines · destinations from IADFormer hub of Atlantic Coast Airlines, Colgan Air, Compass Airlines, Independence Air and Presidential Airways.
Airlines and destinations as the Routes list above has them; the figure is how many destinations each flies from IAD. Hubs from Wikidata. All airlines