DL 3790 then AS 488 at Seattle
Spokane → Seattle → Portland (Oregon)
Timetable, Seattle time
19:05DL 3790 from Spokane at the gate
12:02AS 488 to Portland (Oregon) leaves the gate
16 h 57 apart on the timetable, overnight
AS 488 leaves 16 h 57 after DL 3790 arrives on the timetable: more than half a day, so not a connection we count.