AC 2335 then WS 997 at Toronto Pearson
Sydney → Toronto → Calgary
Timetable, Toronto time
16:00AC 2335 from Sydney at the gate
20:00WS 997 to Calgary leaves the gate
4 h apart on the timetable
The last days
AC 2335 and WS 997 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.