Flight O'Hare International Airport departs from Chicago O'Hare International Airport at 06:00 and arrives at Montreal Pierre Elliott Trudeau International Airport at 09:12.
The flighttime is about 2h 12m. The distance travelled ("as the bird flies"): 1575 Km. So the average speed is roughly 716 Km.
There is an 1 hour time difference between Chicago and Montreal
THB
