AC 835 then AC 8005 at Montréal
Madrid → Montréal → Ottawa
Timetable, Montréal time
15:40AC 835 from Madrid at the gate
18:55AC 8005 to Ottawa leaves the gate
3 h 15 apart on the timetable
The last days
AC 835 and AC 8005 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.