Washington Dulles International ⇄ Detroit Metro Wayne County IAD–DTW
Airlines flew 4,387 flights between Washington Dulles International IAD in Washington, DC and Detroit Metro Wayne County DTW in Detroit, MI in the twelve months to July 2026, both directions together: 257,773 passengers in 335,114 seats, 77% of them filled, and 27,065 pounds of freight. 383 miles, about 66 minutes in the air, on 13 airlines: Mesa Airlines Inc. (1,425), SkyWest Airlines Inc. (1,412), Endeavor Air Inc. (575), Republic Airline (496) and 9 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 | 321 |
| 2/25 | 283 |
| 3/25 | 355 |
| 4/25 | 362 |
| 5/25 | 421 |
| 6/25 | 408 |
| 7/25 | 401 |
| 8/25 | 416 |
| 9/25 | 387 |
| 10/25 | 404 |
| 11/25 | 350 |
| 12/25 | 366 |
| 1/26 | 303 |
| 2/26 | 287 |
| 3/26 | 348 |
| 4/26 | 339 |
| 5/26 | 385 |
| 6/26 | 401 |
| 7/26 | 401 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 17,743 |
| 2/25 | 15,470 |
| 3/25 | 20,994 |
| 4/25 | 22,710 |
| 5/25 | 26,390 |
| 6/25 | 25,259 |
| 7/25 | 24,343 |
| 8/25 | 24,742 |
| 9/25 | 22,069 |
| 10/25 | 23,278 |
| 11/25 | 19,132 |
| 12/25 | 19,761 |
| 1/26 | 14,379 |
| 2/26 | 13,922 |
| 3/26 | 19,227 |
| 4/26 | 20,171 |
| 5/26 | 26,635 |
| 6/26 | 26,940 |
| 7/26 | 27,517 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Mesa Airlines Inc. YV | 1,425 | 81,513 | 78% | scheduled passenger service |
| SkyWest Airlines Inc. OO | 1,412 | 75,399 | 74% | scheduled passenger service |
| Endeavor Air Inc. 9E | 575 | 32,843 | 76% | scheduled passenger service |
| Republic Airline YX | 496 | 30,435 | 81% | scheduled passenger service |
| Delta Air Lines Inc. DL | 313 | 27,341 | 80% | charter passenger service, scheduled passenger service |
| United Air Lines Inc. UA | 80 | 7,466 | 68% | scheduled passenger service |
| GoJet Airlines LLC d/b/a United Express G7 | 57 | 2,372 | 83% | scheduled passenger service |
| Jet Aviation Flight Services, Inc. 27Q | 18 | 10 | 7% | charter passenger service |
| CommuteAir LLC dba CommuteAir C5 | 6 | 236 | 79% | scheduled passenger service |
| PSA Airlines Inc. OH | 2 | 103 | 73% | scheduled passenger service |
| KaiserAir, Inc. 1EQ | 1 | 53 | 78% | charter passenger service |
| Global Crossing Airlines, Inc. GCA | 1 | 0 | 0% | charter passenger service |
| CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle LF | 1 | 2 | 13% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Embraer ERJ-175 | 1,903 | 74 | 110,686 |
| Canadair CRJ 900 | 1,817 | 73 | 100,660 |
| Boeing 717-200 | 292 | 110 | 26,274 |
| Canadair RJ-700 | 134 | 68 | 6,285 |
| Bombardier CRJ550 | 79 | 50 | 3,088 |
| Embraer-Emb-170 | 34 | 70 | 1,946 |
| Boeing 737-700/700LR/Max 7 | 33 | 124 | 2,890 |
| Airbus Industrie A319 | 25 | 126 | 2,371 |
| Boeing 757-200 | 16 | 86 | 674 |
| Bombardier BD-100-1A10 Challenger 300 | 15 | 8 | 6 |
| Airbus Industrie A320-100/200 | 14 | 145 | 1,292 |
| Embraer-145 | 6 | 50 | 236 |
| Boeing 737-900ER | 5 | 179 | 502 |
| Boeing B737 Max 900 | 3 | 179 | 236 |
| Boeing 737-800 | 3 | 164 | 197 |
| Airbus Industrie A321Neoxlr | 2 | 190 | 197 |
| Gulfstream Aerospace Gulfstream G280 | 2 | 8 | 2 |
| Boeing B737 Max 800 | 2 | 166 | 227 |
| Bombardier Challenger 604/605 | 1 | 15 | 2 |
| Gulfstream G450 | 1 | 14 | 2 |
IAD → DTW this direction alone · flown January 2025 to July 2026
2,188 flights of 2,190 scheduled, 129,277 passengers in 166,950 seats, 6,300 pounds of freight, 14,354 pounds of mail. Mesa Airlines Inc. 713; SkyWest Airlines Inc. 706; Endeavor Air Inc. 287; Republic Airline 236; Delta Air Lines Inc. 153; United Air Lines Inc. 41; GoJet Airlines LLC d/b/a United Express 38; Jet Aviation Flight Services, Inc. 9; CommuteAir LLC dba CommuteAir 3; KaiserAir, Inc. 1; PSA Airlines Inc. 1.
DTW → IAD this direction alone · flown January 2025 to July 2026
2,199 flights of 2,191 scheduled, 128,496 passengers in 168,164 seats, 20,765 pounds of freight. Mesa Airlines Inc. 712; SkyWest Airlines Inc. 706; Endeavor Air Inc. 288; Republic Airline 260; Delta Air Lines Inc. 160; United Air Lines Inc. 39; GoJet Airlines LLC d/b/a United Express 19; Jet Aviation Flight Services, Inc. 9; CommuteAir LLC dba CommuteAir 3; Global Crossing Airlines, Inc. 1; CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle 1; PSA Airlines Inc. 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 Detroit Metro Wayne County DTW; all routes.