Flight Tacoma International Airport departs from Seattle Tacoma International Airport at 12:39 and arrives at New York Newark Liberty International Airport at 23:15.The flight has a short stop at Denver.
The flighttime is about 7h 36m. The distance travelled ("as the bird flies"): 5343 Km. So the average speed is roughly 703 Km.
There is an 3 hour time difference between Seattle and New York