AC 128 then AC 2356 at Toronto Pearson
Vancouver → Toronto → Halifax
Timetable, Toronto time
06:52AC 128 from Vancouver at the gate
10:30AC 2356 to Halifax leaves the gate
3 h 38 apart on the timetable
The last days
AC 128 and AC 2356 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.