AC 403 then AC 8907 at Toronto Pearson
Montréal → Toronto → Chicago O'Hare
Timetable, Toronto time
09:46AC 403 from Montréal at the gate
14:35AC 8907 to Chicago O'Hare leaves the gate
4 h 49 apart on the timetable
The last days
AC 403 and AC 8907 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.