AS 3229 then AS 2009 at Seattle
Missoula → Seattle → Vancouver
Timetable, Seattle time
14:44AS 3229 from Missoula at the gate
19:57AS 2009 to Vancouver leaves the gate
5 h 13 apart on the timetable
Seattle’s board gives a departure time for only about 59% of its flights, so many days show no gate time.
The last days
AS 3229 and AS 2009 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.