AC 1900 then AC 2359 at Toronto Pearson
Victoria → Toronto → Calgary
Timetable, Toronto time
07:00AC 1900 from Victoria at the gate
10:30AC 2359 to Calgary leaves the gate
3 h 30 apart on the timetable
The last days
AC 1900 and AC 2359 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.