Flight Lester B. Pearson International Airport departs from Toronto Lester B. Pearson International Airport at 20:55 and arrives at Calgary International Airport at 23:06.
The flighttime is about 4h 11m. The distance travelled ("as the bird flies"): 3817 Km. So the average speed is roughly 912 Km.
There is an 2 hour time difference between Toronto and Calgary