AC 7115 then AC 732 at Montréal
Montreal Mirabel → Montréal → New York LaGuardia
Timetable, Montréal time
12:00AC 7115 from Montreal Mirabel at the gate
15:20AC 732 to New York LaGuardia leaves the gate
3 h 20 apart on the timetable
The last days
AC 7115 and AC 732 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.