AC 879 then AC 7042 at Montréal
Toulouse → Montréal → Boston
Timetable, Montréal time
11:40AC 879 from Toulouse at the gate
14:00AC 7042 to Boston leaves the gate
2 h 20 apart on the timetable
The last days
AC 879 and AC 7042 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.