AA 6303 then DL 3968 at Vancouver
Los Angeles → Vancouver → Seattle (SEA)
Timetable, Vancouver time
13:00AA 6303 from Los Angeles at the gate
16:37DL 3968 to Seattle (SEA) leaves the gate
3 h 37 apart on the timetable
The last days
AA 6303 and DL 3968 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.