AC 7801 then AC 732 at Montréal
Zurich → Montréal → New York LaGuardia
Timetable, Montréal time
13:27AC 7801 from Zurich at the gate
15:20AC 732 to New York LaGuardia leaves the gate
1 h 53 apart on the timetable
The last days
AC 7801 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.