AC 1919 then PB 7765 at Montréal
Sydney → Montréal → Ottawa
Timetable, Montréal time
07:10AC 1919 from Sydney at the gate
11:19PB 7765 to Ottawa leaves the gate
4 h 09 apart on the timetable
The last days
AC 1919 and PB 7765 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.