Flight Fort Worth International Airport departs from Dallas Fort Worth International Airport at 17:39 and arrives at Seattle Tacoma International Airport at 12:09.The flight has a short stop at New York.
The flighttime is about 20h 30m. The distance travelled ("as the bird flies"): 2841 Km. So the average speed is roughly 139 Km.
There is an 2 hour time difference between Dallas and Seattle