TS 62 then DL 4978 at Toronto Pearson
Montréal → Toronto → Detroit
Timetable, Toronto time
10:55TS 62 from Montréal at the gate
14:20DL 4978 to Detroit leaves the gate
3 h 25 apart on the timetable
The last days
TS 62 and DL 4978 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.