Flight International Airport departs from San Diego International Airport at 19:18 and arrives at Washington Dulles International Airport at 07:13.The flight has a short stop at San Francisco.
The flighttime is about 8h 55m. The distance travelled ("as the bird flies"): 4412 Km. So the average speed is roughly 495 Km.
There is an 3 hour time difference between San Diego and Washington