AC 8120 then AC 7310 at Vancouver
Calgary → Vancouver → Toronto
Timetable, Vancouver time
17:30AC 8120 from Calgary at the gate
21:10AC 7310 to Toronto leaves the gate
3 h 40 apart on the timetable
The last days
AC 8120 and AC 7310 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.