AC 1940 then AC 606 at Toronto Pearson
Fort McMurray → Toronto → Halifax
Timetable, Toronto time
05:56AC 1940 from Fort McMurray at the gate
10:00AC 606 to Halifax leaves the gate
4 h 04 apart on the timetable
The last days
AC 1940 and AC 606 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.