AC 1900 then F8 621 at Toronto Pearson
Victoria → Toronto → Calgary
Timetable, Toronto time
07:00AC 1900 from Victoria at the gate
14:45F8 621 to Calgary leaves the gate
7 h 45 apart on the timetable
The last days
AC 1900 and F8 621 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.