PD 547 then AC 7271 at Miami
Ottawa → Miami → Toronto
Timetable, Miami time
12:50PD 547 from Ottawa at the gate
16:40AC 7271 to Toronto leaves the gate
3 h 50 apart on the timetable
The last days
PD 547 and AC 7271 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.