Flight Lester B. Pearson International Airport departs from Toronto Lester B. Pearson International Airport at 07:00 and arrives at Dallas Fort Worth International Airport at 09:25.
The flighttime is about 3h 25m. The distance travelled ("as the bird flies"): 1927 Km. So the average speed is roughly 564 Km.
There is an 1 hour time difference between Toronto and Dallas