Flight Humberto Delgado Airport departs from Lisbon Humberto Delgado Airport at 17:30 and arrives at Washington Dulles International Airport at 20:50.
The flighttime is about 8h 20m. The distance travelled ("as the bird flies"): 7596 Km. So the average speed is roughly 912 Km.
There is an 5 hour time difference between Lisbon and Washington
