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Washington Dulles International Airport in Washington, United States has 144 nonstop destinations in FlightQ's current schedule set. This page ranks named carriers by how many destinations they serve from IAD, with top routes and scheduled flight counts.
Schedule snapshot checked Aug 17, 2026.
The broadest named carrier from IAD is United Airlines, with 114 nonstop destinations in this data set. Popular destinations from the airport include Atlanta (ATL), Charlotte (CLT), Denver (DEN), and Detroit (DTW).
| Airline | Destinations | Flights | Top routes |
|---|---|---|---|
| United Airlines | 114 | 1,737 | |
| Mesa Airlines | 19 | 129 | |
| Delta Air Lines | 6 | 115 | |
| Frontier Airlines | 6 | 43 | |
| American Airlines | 5 | 64 | |
| Breeze Airways | 5 | 14 | |
| Allegiant Air | 4 | 10 | |
| Air Canada | 3 | 32 | |
| Avianca | 2 | 41 | |
| Southern Express | 2 | 34 | |
| Alaska Airlines | 2 | 28 | |
| Lufthansa | 2 | 21 | |
| Ethiopian Airlines | 2 | 11 | |
| Republic Airways | 2 | 4 | |
| British Airways | 1 | 21 | |
| Copa Airlines | 1 | 21 | |
| Turkish Airlines | 1 | 16 | |
| Air France | 1 | 15 | |
| Aer Lingus | 1 | 14 | |
| TAP Air Portugal | 1 | 14 | |
| Contour Aviation | 1 | 13 | |
| Vuela El Salvador | 1 | 13 | |
| Icelandair | 1 | 12 | |
| Qatar Airways | 1 | 11 | |
| Avianca Costa Rica | 1 | 9 | |
| Aeromexico | 1 | 8 | |
| Etihad Airways | 1 | 8 | |
| All Nippon Airways | 1 | 7 | |
| Austrian Airlines | 1 | 7 | |
| Emirates | 1 | 7 | |
| Iberia | 1 | 7 | |
| KLM Royal Dutch Airlines | 1 | 7 | |
| Korean Air | 1 | 7 | |
| Royal Air Maroc | 1 | 7 | |
| Swiss International Air Lines | 1 | 7 | |
| ITA Airways | 1 | 6 | |
| SAS Scandinavian Airlines | 1 | 6 | |
| Virgin Atlantic | 1 | 6 | |
| Brussels Airlines | 1 | 5 | |
| SkyWest Airlines | 1 | 5 | |
| Air Premia | 1 | 4 | |
| EVA Air | 1 | 4 | |
| GlobalX Airlines | 1 | 4 | |
| Saudia | 1 | 4 | |
| EgyptAir | 1 | 3 | |
| Air China | 1 | 2 | |
| Royal Jordanian | 1 | 2 | |
| WestJet | 1 | 2 |
Flight counts are the scheduled rows captured in the current sample window, not annual totals. The destination count is a better comparison for network breadth.
United Airlines has the broadest named-carrier coverage in FlightQ's current IAD schedule set, with 114 nonstop destinations listed here.
FlightQ currently identifies 48 airlines serving 144 nonstop destinations from IAD.
Airlines add, pause, and retime routes seasonally. This page is built from FlightQ's current schedule capture, so use it for route research and confirm exact dates before booking.