The U.S. aircraft register, updated daily
Routes and flights · the DOT's airline reports, August 2025 to July 2026

Detroit Metro Wayne County ⇄ Washington Dulles International DTW–IAD

Airlines flew 4,387 flights between Detroit Metro Wayne County DTW in Detroit, MI and Washington Dulles International IAD in Washington, DC 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 62 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.

4,387
flights, twelve months
DTW-IAD: 2,199 · IAD-DTW: 2,188
257,773
passengers
77% of seats filled
383
miles
about 62 minutes airborne
13
airlines
20 aircraft types

Flights by month both directions

01052103164211/254/257/2510/251/264/264017/26
By month, as a table
flights
1/25321
2/25283
3/25355
4/25362
5/25421
6/25408
7/25401
8/25416
9/25387
10/25404
11/25350
12/25366
1/26303
2/26287
3/26348
4/26339
5/26385
6/26401
7/26401

Passengers by month

06,87913,75820,63827,5171/254/257/2510/251/264/2627,5177/26
By month, as a table
passengers
1/2517,743
2/2515,470
3/2520,994
4/2522,710
5/2526,390
6/2525,259
7/2524,343
8/2524,742
9/2522,069
10/2523,278
11/2519,132
12/2519,761
1/2614,379
2/2613,922
3/2619,227
4/2620,171
5/2626,635
6/2626,940
7/2627,517

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Mesa Airlines Inc. YV1,42581,51378%scheduled passenger service
SkyWest Airlines Inc. OO1,41275,39974%scheduled passenger service
Endeavor Air Inc. 9E57532,84376%scheduled passenger service
Republic Airline YX49630,43581%scheduled passenger service
Delta Air Lines Inc. DL31327,34180%charter passenger service, scheduled passenger service
United Air Lines Inc. UA807,46668%scheduled passenger service
GoJet Airlines LLC d/b/a United Express G7572,37283%scheduled passenger service
Jet Aviation Flight Services, Inc. 27Q18107%charter passenger service
CommuteAir LLC dba CommuteAir C5623679%scheduled passenger service
PSA Airlines Inc. OH210373%scheduled passenger service
Global Crossing Airlines, Inc. GCA100%charter passenger service
CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle LF1213%charter passenger service
KaiserAir, Inc. 1EQ15378%charter passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Embraer ERJ-1751,90374110,686
Canadair CRJ 9001,81773100,660
Boeing 717-20029211026,274
Canadair RJ-700134686,285
Bombardier CRJ55079503,088
Embraer-Emb-17034701,946
Boeing 737-700/700LR/Max 7331242,890
Airbus Industrie A319251262,371
Boeing 757-2001686674
Bombardier BD-100-1A10 Challenger 3001586
Airbus Industrie A320-100/200141451,292
Embraer-145650236
Boeing 737-900ER5179502
Boeing 737-8003164197
Boeing B737 Max 9003179236
Airbus Industrie A321Neoxlr2190197
Gulfstream Aerospace Gulfstream G280282
Boeing B737 Max 8002166227
Bombardier Challenger 604/6051152
Gulfstream G4501142

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.

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.

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: Detroit Metro Wayne County DTW and Washington Dulles International IAD; all routes.