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

Washington Dulles International ⇄ Hartsfield/Jackson Atlanta International IAD–ATL

Airlines flew 8,096 flights between Washington Dulles International IAD in Washington, DC and Hartsfield/Jackson Atlanta International ATL in Atlanta, GA in the twelve months to July 2026, both directions together: 933,027 passengers in 1,227,757 seats, 76% of them filled, and 2,070,611 pounds of freight. 534 miles, about 81 minutes in the air, on 12 airlines: Delta Air Lines Inc. (4,406), United Air Lines Inc. (2,176), Frontier Airlines Inc. (1,282), Mesa Airlines Inc. (177) and 8 more. Planning to fly it yourself? The weather and winds along this route right now.

8,096
flights, twelve months
IAD-ATL: 4,028 · ATL-IAD: 4,068
933,027
passengers
76% of seats filled
534
miles
about 81 minutes airborne
12
airlines
19 aircraft types

Flights by month both directions

02024046078091/254/257/2510/251/264/267077/26
By month, as a table
flights
1/25544
2/25529
3/25634
4/25632
5/25706
6/25703
7/25689
8/25702
9/25679
10/25725
11/25671
12/25666
1/26542
2/26522
3/26602
4/26713
5/26809
6/26758
7/26707

Passengers by month

025,84451,68877,531103,3751/254/257/2510/251/264/2687,1847/26
By month, as a table
passengers
1/2558,138
2/2556,813
3/2569,409
4/2573,008
5/2582,042
6/2580,052
7/2582,365
8/2580,012
9/2572,384
10/2583,942
11/2572,631
12/2577,844
1/2655,532
2/2658,854
3/2669,315
4/2679,769
5/26103,375
6/2692,185
7/2687,184

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Delta Air Lines Inc. DL4,406495,99380%charter passenger service, scheduled passenger service
United Air Lines Inc. UA2,176224,84472%charter passenger service, scheduled passenger service
Frontier Airlines Inc. F91,282199,96971%scheduled passenger service
Mesa Airlines Inc. YV1778,83367%scheduled passenger service
Republic Airline YX422,66184%scheduled passenger service
Sun Country Airlines d/b/a MN Airlines SY416322%charter passenger service
Endeavor Air Inc. 9E422273%scheduled passenger service
Global Crossing Airlines, Inc. GCA113662%charter passenger service
Southwest Airlines Co. WN114281%scheduled passenger service
American Airlines Inc. AA16434%charter passenger service
PSA Airlines Inc. OH100%scheduled passenger service
SkyWest Airlines Inc. OO100%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Airbus Industrie A3192,082130224,775
A220-300 BD-500-1A111,290130136,110
Airbus Industrie A320-100/2001,144156139,079
Boeing 737-80079816294,300
Airbus Industrie A321-200n679238112,448
Boeing 737-700/700LR/Max 754812652,604
Airbus Industrie A320-200n41318657,163
Boeing B737 Max 80023016623,985
Embraer ERJ-1752197511,425
Airbus Industrie A321Neoxlr19322331,359
Boeing 737-900ER19217923,352
Boeing 717-20015211013,666
Boeing B737 Max 9009117910,714
Boeing 757-200561371,412
Canadair CRJ 900476222
Boeing 777-200ER/200LR/233LR2364322
Embraer-Emb-17017069
Canadair RJ-7001650
A200-100 BD-500-1A10110922

IAD → ATL this direction alone · flown January 2025 to July 2026

4,028 flights of 4,066 scheduled, 463,626 passengers in 612,004 seats, 1,148,577 pounds of freight, 47,560 pounds of mail. Delta Air Lines Inc. 2,190; United Air Lines Inc. 1,084; Frontier Airlines Inc. 639; Mesa Airlines Inc. 89; Republic Airline 21; Sun Country Airlines d/b/a MN Airlines 2; Endeavor Air Inc. 1; Global Crossing Airlines, Inc. 1; Southwest Airlines Co. 1.

ATL → IAD this direction alone · flown January 2025 to July 2026

4,068 flights of 4,072 scheduled, 469,401 passengers in 615,753 seats, 922,034 pounds of freight, 34,951 pounds of mail. Delta Air Lines Inc. 2,216; United Air Lines Inc. 1,092; Frontier Airlines Inc. 643; Mesa Airlines Inc. 88; Republic Airline 21; Endeavor Air Inc. 3; Sun Country Airlines d/b/a MN Airlines 2; American Airlines Inc. 1; PSA Airlines Inc. 1; SkyWest 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 Hartsfield/Jackson Atlanta International ATL; all routes.