Washington→Salt Lake CityNonstop Flight TimeIAD–SLC

Washington (Washington Dulles International Airport) to Salt Lake City (Salt Lake City International Airport).

Direct flights from IAD to SLC have an estimated flight time of about 4h 21m, based on the 1,823-mile great-circle distance. Our current captured departure sample includes 2/day across 2 captured airlines, with Delta Air Lines appearing most often in that sample. Captured departure times run from 07:10 to 17:50 local time.

Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for IAD to SLC, last seen June 15, 2026. Frequency uses 14 scheduled departures across 7 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.