AS 414 then AS 2174 at Seattle
Austin → Seattle → San Luis Obispo
Timetable, Seattle time
20:33AS 414 from Austin at the gate
15:23AS 2174 to San Luis Obispo leaves the gate
18 h 50 apart on the timetable, overnight
AS 2174 leaves 18 h 50 after AS 414 arrives on the timetable: more than half a day, so not a connection we count.