AA 949 then AA 5616 at Philadelphia
Boston → Philadelphia → Montréal
Timetable, Philadelphia time
12:45AA 949 from Boston at the gate
13:42AA 5616 to Montréal leaves the gate
57 min apart on the timetable
The last days
AA 949 and AA 5616 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.