Flight Dulles International Airport departs from Washington Dulles International Airport at 16:10 and arrives at Portland, Oregon Portland International Airport at 00:35.The flight has a short stop at San Francisco.
The flighttime is about 11h 25m. The distance travelled ("as the bird flies"): 5012 Km. So the average speed is roughly 439 Km.
There is an 3 hour time difference between Washington and Portland, Oregon