DL 3913 then AS 758 at Seattle
Portland (Oregon) → Seattle → Anchorage
Timetable, Seattle time
20:50DL 3913 from Portland (Oregon) at the gate
17:59AS 758 to Anchorage leaves the gate
21 h 09 apart on the timetable, overnight
AS 758 leaves 21 h 09 after DL 3913 arrives on the timetable: more than half a day, so not a connection we count.