DL 3913 then AS 375 at Seattle
Portland (Oregon) → Seattle → Austin
Timetable, Seattle time
20:50DL 3913 from Portland (Oregon) at the gate
17:09AS 375 to Austin leaves the gate
20 h 19 apart on the timetable, overnight
AS 375 leaves 20 h 19 after DL 3913 arrives on the timetable: more than half a day, so not a connection we count.