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

Calgary ⇄ Washington Dulles International YYC–IAD

Airlines flew 239 flights between Calgary, Canada YYC in Calgary, CA and Washington Dulles International IAD in Washington, DC in the twelve months to July 2026, both directions together: 35,206 passengers in 39,060 seats, 90% of them filled, and 5,969 pounds of freight. 1,951 miles, about 132 minutes in the air, on 3 airlines: United Air Lines Inc. (138), Westjet (100), Air Canada (1).

239
flights, twelve months
YYC-IAD: 120 · IAD-YYC: 119
35,206
passengers
90% of seats filled
1,951
miles
about 132 minutes airborne
3
airlines
5 aircraft types

Flights by month both directions

0224466882/257/2510/256/26807/26
By month, as a table
flights
2/251
5/255
6/2534
7/2586
8/2588
9/2520
10/2510
3/261
5/2610
6/2630
7/2680

Passengers by month

03,4126,82410,23613,6482/257/2510/256/2611,9477/26
By month, as a table
passengers
2/2551
5/25696
6/255,061
7/2513,053
8/2513,648
9/252,573
10/251,290
3/2651
5/261,250
6/264,447
7/2611,947

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
United Air Lines Inc. UA13821,16892%scheduled passenger service
Westjet WS10013,98787%scheduled passenger service
Air Canada AC15173%charter passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 737-80011716817,894
Boeing B737 Max 8008716913,351
Boeing 737-700/700LR/Max 7321323,683
Boeing B737 Max 9002179227
Airbus Industrie A320-100/20017051

YYC → IAD this direction alone · flown February 2025 to July 2026

120 flights of 69 scheduled, 17,665 passengers in 19,578 seats, 5,828 pounds of freight. United Air Lines Inc. 69; Westjet 50; Air Canada 1.

IAD → YYC this direction alone · flown May 2025 to July 2026

119 flights of 69 scheduled, 17,541 passengers in 19,482 seats, 141 pounds of freight. United Air Lines Inc. 69; Westjet 50.

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: Calgary, Canada YYC and Washington Dulles International IAD; all routes.