AC 256 then UA 8167 at Toronto Pearson
Winnipeg → Toronto → San Francisco
Timetable, Toronto time
08:50AC 256 from Winnipeg at the gate
12:00UA 8167 to San Francisco leaves the gate
3 h 10 apart on the timetable
The last days
AC 256 and UA 8167 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.