AC 401 then FE 609 at Toronto Pearson
Montréal → Toronto → Vancouver
Timetable, Toronto time
08:46AC 401 from Montréal at the gate
13:07FE 609 to Vancouver leaves the gate
4 h 21 apart on the timetable
The last days
AC 401 and FE 609 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.