DL 3913 then AS 3433 at Seattle
Portland (Oregon) → Seattle → Bellingham
Timetable, Seattle time
20:50DL 3913 from Portland (Oregon) at the gate
17:50AS 3433 to Bellingham leaves the gate
21 h apart on the timetable, overnight
AS 3433 leaves 21 h after DL 3913 arrives on the timetable: more than half a day, so not a connection we count.