Flight O'Hare International Airport departs from Chicago O'Hare International Airport at 17:00 and arrives at Vancouver International Airport at 19:25.
The flighttime is about 4h 25m. The distance travelled ("as the bird flies"): 3921 Km. So the average speed is roughly 888 Km.
There is an 2 hour time difference between Chicago and Vancouver
MYR
