AC 540 then AC 7088 at Toronto Pearson
Seattle (SEA) → Toronto → Montréal
Timetable, Toronto time
15:25AC 540 from Seattle (SEA) at the gate
20:00AC 7088 to Montréal leaves the gate
4 h 35 apart on the timetable
The last days
AC 540 and AC 7088 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.