Washington→CalgaryNonstop Flight TimeIAD–YYC

Washington (Washington Dulles International Airport) to Calgary (Calgary International Airport).

Direct flights from IAD to YYC have an estimated flight time of about 4h 36m, based on the 1,947-mile great-circle distance. Our current captured departure sample includes 2×/wk across 1 captured airline, with WestJet appearing most often in that sample. Captured departure times run from 19:00 to 19:00 local time.

Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for IAD to YYC, last seen June 15, 2026. Frequency uses 2 scheduled departures across 2 observed days; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.