AC 1879 then PD 9921 at Toronto Pearson
Vieux Fort → Toronto → Ottawa
Timetable, Toronto time
22:25AC 1879 from Vieux Fort at the gate
07:00PD 9921 to Ottawa leaves the gate
8 h 35 apart on the timetable, overnight
The last days
AC 1879 and PD 9921 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.