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

Keflavik/Reykjavik ⇄ Washington Dulles International KEF–IAD

Airlines flew 1,054 flights between Keflavik/Reykjavik, Iceland KEF in Keflavik/Reykjavik, IS and Washington Dulles International IAD in Washington, DC in the twelve months to July 2026, both directions together: 134,594 passengers in 183,013 seats, 74% of them filled, and 257,031 pounds of freight. 2,798 miles, about 45 minutes in the air, on 7 airlines: Icelandair (902), United Air Lines Inc. (137), Scandinavian Airlines Sys. (7), FAI rent-a-jet AG (5) and 3 more.

1,054
flights, twelve months
KEF-IAD: 533 · IAD-KEF: 521
134,594
passengers
74% of seats filled
2,798
miles
about 45 minutes airborne
7
airlines
8 aircraft types

Flights by month both directions

037741111481/254/257/2510/251/264/261487/26
By month, as a table
flights
1/2560
2/2555
3/2564
4/2560
5/2583
6/25123
7/25124
8/25124
9/2599
10/2580
11/2562
12/2561
1/2661
2/2657
3/2663
4/2658
5/26103
6/26138
7/26148

Passengers by month

05,18410,36815,55120,7351/254/257/2510/251/264/2620,7357/26
By month, as a table
passengers
1/257,960
2/256,378
3/258,570
4/258,879
5/2510,969
6/2517,149
7/2518,019
8/2516,403
9/2511,261
10/259,645
11/258,840
12/256,336
1/267,654
2/266,507
3/268,717
4/268,405
5/2612,898
6/2617,193
7/2620,735

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Icelandair FI902118,05675%scheduled passenger service
United Air Lines Inc. UA13714,99262%scheduled passenger service
Scandinavian Airlines Sys. SK793885%scheduled passenger service
FAI rent-a-jet AG IFQ51633%charter passenger service
Jet Story 24Q1655%charter passenger service
Etihad Airways EY129698%charter passenger service
Turk Hava Yollari A.O. TK129097%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing B737 Max 80074417394,737
Boeing 737-90015817723,319
Boeing 757-20013617614,729
Airbus Industrie A321Neoxlr7157938
Bombardier Challenger 604/60551016
B787-900 Dreamliner2302586
Boeing 777-200ER/200LR/233LR1276263
Embraer Legacy 6001116

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

533 flights of 71 scheduled, 66,630 passengers in 92,342 seats, 238,293 pounds of freight. Icelandair 451; United Air Lines Inc. 68; Scandinavian Airlines Sys. 7; FAI rent-a-jet AG 4; Jet Story 1; Etihad Airways 1; Turk Hava Yollari A.O. 1.

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

521 flights of 72 scheduled, 67,964 passengers in 90,671 seats, 18,738 pounds of freight. Icelandair 451; United Air Lines Inc. 69; FAI rent-a-jet AG 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: Keflavik/Reykjavik, Iceland KEF and Washington Dulles International IAD; all routes.