DL 3968 then AS 488 at Seattle
Vancouver → Seattle → Portland (Oregon)
Timetable, Seattle time
16:53DL 3968 from Vancouver at the gate
12:02AS 488 to Portland (Oregon) leaves the gate
19 h 09 apart on the timetable, overnight
AS 488 leaves 19 h 09 after DL 3968 arrives on the timetable: more than half a day, so not a connection we count.