Route Network
Washington Dulles Airport connects 258 destinations worldwide, with Atlanta standing out as its busiest route. The longest nonstop flight is to Cape Town, and the shortest flight is to Philadelphia.
Route and destination data updated February 16, 2026.
Washington Dulles Airport is served by 123 airlines, with United Airlines in the lead at 22% of routes. The top three carriers together cover 46% of routes. 62 carriers operate only one route each. A total of 55 airlines operate international routes, compared with 83 airlines serving domestic routes. United Airlines is operating the longest nonstop flight, connecting to Cape Town with a flight time of 15 hrs 20 mins.
Washington Dulles Airport provides direct service to 48 countries across five continents. The route network is 76% domestic and 24% international. Canada is the primary international destination.
Global Rankings
Destinations
Measures how broadly the airport connects distinct endpoints.
- #6 - Total destinations
- #4 - Domestic destinations
- #111 - International destinations
Flights & Scheduling
Reflects flight volume and runway utilization.
- #40 - Total flights
- #32 - Domestic flights
- #93 - International flights
- #120 - Flights per runway
Distance & Reach
Highlights long-haul reach and distance efficiency.
- #35 - Total distance flown
- #127 - Distance per flight
- #80 - Distance per runway
Runways
| Runway | Length | Width | Surface |
|---|---|---|---|
| 11,532 ft 3,515 m 11,532 ft · 3,515 m | 150 ft 46 m 150 ft · 46 m | Concrete | |
| 11,532 ft 3,515 m 11,532 ft · 3,515 m | 150 ft 46 m 150 ft · 46 m | Concrete | |
| 11,532 ft 3,515 m 11,532 ft · 3,515 m | 150 ft 46 m 150 ft · 46 m | Concrete | |
| 11,532 ft 3,515 m 11,532 ft · 3,515 m | 150 ft 46 m 150 ft · 46 m | Concrete | |
| 10,492 ft 3,198 m 10,492 ft · 3,198 m | 150 ft 46 m 150 ft · 46 m | Concrete | |
| 10,492 ft 3,198 m 10,492 ft · 3,198 m | 150 ft 46 m 150 ft · 46 m | Concrete | |
| 9,426 ft 2,873 m 9,426 ft · 2,873 m | 150 ft 46 m 150 ft · 46 m | Concrete | |
| 9,426 ft 2,873 m 9,426 ft · 2,873 m | 150 ft 46 m 150 ft · 46 m | Concrete |
Runway Length
Runways at Washington Dulles Airport are long enough for all aircraft with known takeoff and landing distances.