AC 8496 then LH 7540 at Newark
Montréal → New York → Columbus (Ohio)
Timetable, New York time
14:50AC 8496 from Montréal at the gate
16:55LH 7540 to Columbus (Ohio) leaves the gate
2 h 05 apart on the timetable
The last days
AC 8496 and LH 7540 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.