DL 3968 then AS 650 at Seattle
Vancouver → Seattle → San Diego
Timetable, Seattle time
16:53DL 3968 from Vancouver at the gate
11:43AS 650 to San Diego leaves the gate
18 h 50 apart on the timetable, overnight
AS 650 leaves 18 h 50 after DL 3968 arrives on the timetable: more than half a day, so not a connection we count.