Flight Tacoma International Airport departs from Seattle Tacoma International Airport at 05:00 and arrives at New York Newark Liberty International Airport at 18:59.The flight has a short stop at Los Angeles.
The flighttime is about 10h 59m. The distance travelled ("as the bird flies"): 5343 Km. So the average speed is roughly 486 Km.
There is an 3 hour time difference between Seattle and New York