Washington Dulles International ⇄ Raleigh-Durham International IAD–RDU
Airlines flew 2,915 flights between Washington Dulles International IAD in Washington, DC and Raleigh-Durham International RDU in Raleigh/Durham, NC in the twelve months to July 2026, both directions together: 277,848 passengers in 377,660 seats, 74% of them filled, and 169,190 pounds of freight. 225 miles, about 43 minutes in the air, on 14 airlines: United Air Lines Inc. (2,158), Republic Airline (449), Mesa Airlines Inc. (196), GoJet Airlines LLC d/b/a United Express (88) and 10 more. Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 239 |
| 2/25 | 215 |
| 3/25 | 251 |
| 4/25 | 302 |
| 5/25 | 306 |
| 6/25 | 287 |
| 7/25 | 296 |
| 8/25 | 272 |
| 9/25 | 285 |
| 10/25 | 249 |
| 11/25 | 236 |
| 12/25 | 253 |
| 1/26 | 188 |
| 2/26 | 200 |
| 3/26 | 256 |
| 4/26 | 241 |
| 5/26 | 252 |
| 6/26 | 239 |
| 7/26 | 244 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 16,722 |
| 2/25 | 14,665 |
| 3/25 | 18,781 |
| 4/25 | 22,164 |
| 5/25 | 28,924 |
| 6/25 | 22,965 |
| 7/25 | 23,244 |
| 8/25 | 23,096 |
| 9/25 | 25,017 |
| 10/25 | 25,558 |
| 11/25 | 23,394 |
| 12/25 | 23,701 |
| 1/26 | 16,766 |
| 2/26 | 19,099 |
| 3/26 | 27,123 |
| 4/26 | 23,177 |
| 5/26 | 24,921 |
| 6/26 | 22,113 |
| 7/26 | 23,883 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| United Air Lines Inc. UA | 2,158 | 230,629 | 72% | scheduled passenger service |
| Republic Airline YX | 449 | 29,431 | 87% | scheduled passenger service |
| Mesa Airlines Inc. YV | 196 | 12,581 | 86% | scheduled passenger service |
| GoJet Airlines LLC d/b/a United Express G7 | 88 | 3,789 | 86% | scheduled passenger service |
| Delta Air Lines Inc. DL | 9 | 369 | 44% | charter passenger service |
| American Airlines Inc. AA | 3 | 232 | 54% | charter passenger service |
| Air Canada AC | 2 | 96 | 69% | charter passenger service |
| PSA Airlines Inc. OH | 2 | 139 | 99% | scheduled passenger service |
| Sun Country Airlines d/b/a MN Airlines SY | 2 | 93 | 25% | charter passenger service |
| Breeze Aviation Group DBA Breeze MX | 2 | 116 | 42% | charter passenger service, scheduled passenger service |
| Federal Express Corporation FX | 1 | 0 | scheduled cargo service | |
| Jet Aviation Flight Services, Inc. 27Q | 1 | 2 | 25% | charter passenger service |
| Alaska Airlines Inc. AS | 1 | 170 | 96% | scheduled passenger service |
| Lufthansa German Airlines LH | 1 | 201 | 72% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Embraer ERJ-175 | 592 | 76 | 38,641 |
| Airbus Industrie A319 | 498 | 126 | 50,978 |
| Boeing 737-700/700LR/Max 7 | 421 | 126 | 40,749 |
| Boeing B737 Max 800 | 383 | 166 | 39,919 |
| Airbus Industrie A320-100/200 | 323 | 150 | 37,921 |
| Boeing 737-900ER | 223 | 179 | 25,297 |
| Boeing 737-800 | 155 | 166 | 17,769 |
| Boeing B737 Max 900 | 145 | 179 | 16,007 |
| Bombardier CRJ550 | 88 | 50 | 3,789 |
| Embraer-Emb-170 | 53 | 70 | 3,371 |
| Airbus Industrie A321-200n | 14 | 200 | 1,702 |
| Boeing 757-200 | 9 | 98 | 354 |
| Boeing 767-300/300ER | 2 | 102 | 98 |
| A220-300 BD-500-1A11 | 2 | 137 | 116 |
| Canadair RJ-700 | 1 | 65 | 64 |
| Bombardier BD-100-1A10 Challenger 300 | 1 | 8 | 2 |
| Boeing 777-200ER/200LR/233LR | 1 | 276 | 275 |
| Boeing 777-300/300ER/333ER | 1 | 350 | 342 |
| Canadair CRJ 900 | 1 | 76 | 75 |
| Airbus Industrie A340-600 | 1 | 281 | 201 |
| B787-800 Dreamliner | 1 | 243 | 178 |
IAD → RDU this direction alone · flown January 2025 to July 2026
1,445 flights of 1,455 scheduled, 135,851 passengers in 186,679 seats, 48,782 pounds of freight. United Air Lines Inc. 1,072; Republic Airline 222; Mesa Airlines Inc. 98; GoJet Airlines LLC d/b/a United Express 44; Delta Air Lines Inc. 4; American Airlines Inc. 1; Air Canada 1; Federal Express Corporation 1; PSA Airlines Inc. 1; Sun Country Airlines d/b/a MN Airlines 1.
RDU → IAD this direction alone · flown January 2025 to July 2026
1,470 flights of 1,459 scheduled, 141,997 passengers in 190,981 seats, 120,408 pounds of freight. United Air Lines Inc. 1,086; Republic Airline 227; Mesa Airlines Inc. 98; GoJet Airlines LLC d/b/a United Express 44; Delta Air Lines Inc. 5; American Airlines Inc. 2; Breeze Aviation Group DBA Breeze 2; Jet Aviation Flight Services, Inc. 1; Air Canada 1; Alaska Airlines Inc. 1; Lufthansa German Airlines 1; PSA Airlines Inc. 1; Sun Country Airlines d/b/a MN Airlines 1.
Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Washington Dulles International IAD and Raleigh-Durham International RDU; all routes.