DL 1686 then AC 7012 at Philadelphia
Detroit → Philadelphia → Toronto
Timetable, Philadelphia time
19:19DL 1686 from Detroit at the gate
20:00AC 7012 to Toronto leaves the gate
41 min apart on the timetable
The last days
DL 1686 and AC 7012 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.