AC 7133 then PB 834 at Montréal
Calgary → Montréal → Quebec
Timetable, Montréal time
11:00AC 7133 from Calgary at the gate
15:25PB 834 to Quebec leaves the gate
4 h 25 apart on the timetable
The last days
AC 7133 and PB 834 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.