WS 2503 then WS 9580 at Toronto Pearson
Liberia → Toronto → Montréal
Timetable, Toronto time
20:10WS 2503 from Liberia at the gate
06:30WS 9580 to Montréal leaves the gate
10 h 20 apart on the timetable, overnight
The last days
WS 2503 and WS 9580 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.