Flight Newark Liberty International Airport departs from New York Newark Liberty International Airport at 14:00 and arrives at Seattle Tacoma International Airport at 21:34.The flight has a short stop at San Francisco.
The flighttime is about 10h 34m. The distance travelled ("as the bird flies"): 5343 Km. So the average speed is roughly 506 Km.
There is an 3 hour time difference between New York and Seattle