Flight Dulles International Airport departs from Washington Dulles International Airport at 17:31 and arrives at Houston George Bush Intercontinental Airport at 11:59.The flight has a short stop at New York.
The flighttime is about 19h 28m. The distance travelled ("as the bird flies"): 1984 Km. So the average speed is roughly 102 Km.
There is an 1 hour time difference between Washington and Houston