CA 993 then AC 7311 at Toronto Pearson
Beijing → Toronto → Vancouver
Timetable, Toronto time
12:10CA 993 from Beijing at the gate
15:35AC 7311 to Vancouver leaves the gate
3 h 25 apart on the timetable
The last days
CA 993 and AC 7311 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.