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

Washington Dulles International ⇄ Copenhagen IAD–CPH

Airlines flew 543 flights between Washington Dulles International IAD in Washington, DC and Copenhagen, Denmark CPH in Copenhagen, DK in the twelve months to July 2026, both directions together: 113,896 passengers in 139,580 seats, 82% of them filled, and 5,118,445 pounds of freight. 4,073 miles, on 2 airlines: Scandinavian Airlines Sys. (541), Jet Story (2).

543
flights, twelve months
IAD-CPH: 274 · CPH-IAD: 269
113,896
passengers
82% of seats filled
4,073
miles
2
airlines
5 aircraft types

Flights by month both directions

0163146621/254/257/2510/251/264/26537/26
By month, as a table
flights
1/2544
2/2550
3/2553
4/2559
5/2562
6/2560
7/2562
8/2562
9/2560
10/2557
11/2533
12/2533
1/2626
2/2630
3/2632
4/2652
5/2654
6/2651
7/2653

Passengers by month

03,9237,84611,77015,6931/254/257/2510/251/264/2612,7327/26
By month, as a table
passengers
1/255,190
2/255,068
3/257,141
4/2515,103
5/2515,693
6/2514,572
7/2514,189
8/2515,558
9/2514,539
10/2512,871
11/254,047
12/254,594
1/263,288
2/263,280
3/264,779
4/2612,544
5/2613,313
6/2612,351
7/2612,732

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Scandinavian Airlines Sys. SK541113,89482%scheduled passenger service
Jet Story 24Q227%charter passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Airbus Industrie A350-90037230091,046
Airbus Industrie A321Neoxlr15515719,882
Airbus Industrie A330-200142622,966
Gulfstream G6501131
Bombardier Global 6000/Global Xrs1171

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

274 flights, 57,783 passengers in 70,323 seats, 354,507 pounds of freight. Scandinavian Airlines Sys. 274.

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

269 flights, 56,113 passengers in 69,257 seats, 4,763,938 pounds of freight. Scandinavian Airlines Sys. 267; Jet Story 2.

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 Copenhagen, Denmark CPH; all routes.