AC 750 then AA 359 at Boston
Montréal → Boston → Charlotte
Timetable, Boston time
14:43AC 750 from Montréal at the gate
15:26AA 359 to Charlotte leaves the gate
43 min apart on the timetable
The last days
AC 750 and AA 359 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.