AC 7771 then AC 423 at Montréal
Zurich → Montréal → Toronto Pearson
Timetable, Montréal time
15:00AC 7771 from Zurich at the gate
18:10AC 423 to Toronto Pearson leaves the gate
3 h 10 apart on the timetable
The last days
AC 7771 and AC 423 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.