UA 2221 then AC 8126 at Vancouver
Denver → Vancouver → Edmonton
Timetable, Vancouver time
13:59UA 2221 from Denver at the gate
18:50AC 8126 to Edmonton leaves the gate
4 h 51 apart on the timetable
The last days
UA 2221 and AC 8126 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.