AC 182 then AC 131 at Toronto Pearson
Vancouver → Toronto → Calgary
Timetable, Toronto time
01:24AC 182 from Vancouver at the gate
06:15AC 131 to Calgary leaves the gate
4 h 51 apart on the timetable
The last days
AC 182 and AC 131 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.