Washington Dulles International ⇄ Baltimore/Washington International Thurgood Marshall IAD–BWI
Airlines flew 42 flights between Washington Dulles International IAD in Washington, DC and Baltimore/Washington International Thurgood Marshall BWI in Baltimore, MD in the twelve months to July 2026, both directions together: 2,472 passengers in 5,424 seats, 46% of them filled, and 106,069 pounds of freight. 45 miles, about 22 minutes in the air, on 14 airlines: Southwest Airlines Co. (10), Delta Air Lines Inc. (9), CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle (4), Jet Aviation Flight Services, Inc. (3) 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 | 1 |
| 2/25 | 9 |
| 3/25 | 9 |
| 4/25 | 1 |
| 5/25 | 14 |
| 6/25 | 4 |
| 7/25 | 10 |
| 8/25 | 5 |
| 9/25 | 4 |
| 10/25 | 1 |
| 11/25 | 1 |
| 2/26 | 11 |
| 3/26 | 7 |
| 4/26 | 3 |
| 5/26 | 5 |
| 6/26 | 3 |
| 7/26 | 2 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 27 |
| 2/25 | 768 |
| 3/25 | 491 |
| 4/25 | 0 |
| 5/25 | 989 |
| 6/25 | 346 |
| 7/25 | 1,207 |
| 8/25 | 96 |
| 9/25 | 269 |
| 10/25 | 0 |
| 11/25 | 0 |
| 2/26 | 815 |
| 3/26 | 669 |
| 4/26 | 0 |
| 5/26 | 345 |
| 6/26 | 0 |
| 7/26 | 278 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Southwest Airlines Co. WN | 10 | 761 | 49% | scheduled passenger service |
| Delta Air Lines Inc. DL | 9 | 274 | 30% | charter passenger service, scheduled passenger service |
| CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle LF | 4 | 0 | 0% | charter passenger service |
| Jet Aviation Flight Services, Inc. 27Q | 3 | 0 | 0% | charter passenger service |
| Omni Air International LLC X9 | 3 | 0 | 0% | charter passenger service |
| Compagnie Natl Air France AF | 3 | 602 | 65% | scheduled passenger service |
| United Parcel Service 5X | 2 | 0 | scheduled cargo service | |
| Federal Express Corporation FX | 2 | 0 | scheduled cargo service | |
| American Airlines Inc. AA | 1 | 160 | 93% | scheduled passenger service |
| Alaska Airlines Inc. AS | 1 | 110 | 62% | scheduled passenger service |
| Sun Country Airlines d/b/a MN Airlines SY | 1 | 156 | 84% | charter passenger service |
| United Air Lines Inc. UA | 1 | 156 | 94% | scheduled passenger service |
| Virgin Atlantic Airways VS | 1 | 231 | 88% | scheduled passenger service |
| CommuteAir LLC dba CommuteAir C5 | 1 | 22 | 44% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing 757-200 | 6 | 72 | 0 |
| Boeing 737-700/700LR/Max 7 | 5 | 138 | 473 |
| Boeing 737-800 | 4 | 175 | 527 |
| Boeing B737 Max 800 | 4 | 175 | 233 |
| Gulfstream G650 | 3 | 13 | 0 |
| Boeing 767-300/300ER | 3 | 82 | 0 |
| Airbus Industrie A321Neoxlr | 2 | 190 | 178 |
| Bombardier Challenger 604/605 | 2 | 24 | 0 |
| Cessna 208 Caravan | 2 | 0 | 0 |
| Boeing 777-300/300ER/333ER | 2 | 304 | 477 |
| Boeing 717-200 | 1 | 110 | 96 |
| Boeing 777-200ER/200LR/233LR | 1 | 381 | 0 |
| Embraer-140 | 1 | 30 | 0 |
| Airbus Industrie A330-300/333 | 1 | 264 | 231 |
| Boeing 737-900ER | 1 | 178 | 110 |
| Airbus Industrie A350-900 | 1 | 324 | 125 |
| Boeing 767-200/ER/EM | 1 | 213 | 0 |
| Embraer-135 | 1 | 30 | 0 |
| Embraer-145 | 1 | 50 | 22 |
IAD → BWI this direction alone · flown February 2025 to July 2026
28 flights of 1 scheduled, 1,848 passengers in 4,023 seats, 2,469 pounds of freight. Southwest Airlines Co. 10; Delta Air Lines Inc. 7; Jet Aviation Flight Services, Inc. 2; CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle 2; Omni Air International LLC 2; American Airlines Inc. 1; Alaska Airlines Inc. 1; Sun Country Airlines d/b/a MN Airlines 1; United Air Lines Inc. 1; Virgin Atlantic Airways 1.
BWI → IAD this direction alone · flown January 2025 to July 2026
14 flights of 5 scheduled, 624 passengers in 1,401 seats, 103,600 pounds of freight. Compagnie Natl Air France 3; United Parcel Service 2; Delta Air Lines Inc. 2; Federal Express Corporation 2; CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle 2; Jet Aviation Flight Services, Inc. 1; CommuteAir LLC dba CommuteAir 1; Omni Air International LLC 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 Baltimore/Washington International Thurgood Marshall BWI; all routes.