Georgetown→WashingtonNonstop Flight TimeGCM–IAD

Georgetown (Owen Roberts International Airport) to Washington (Washington Dulles International Airport).

Direct flights from GCM to IAD have an estimated flight time of about 3h 26m, based on the 1,378-mile great-circle distance. Our current captured departure sample includes weekly across 1 captured airline, with United Airlines appearing most often in that sample.

Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for GCM to IAD, last seen June 15, 2026. Frequency uses 1 scheduled departures across 1 observed day; 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.