DL 3968 then AS 655 at Seattle
Vancouver → Seattle → San Francisco
Timetable, Seattle time
16:53DL 3968 from Vancouver at the gate
11:43AS 655 to San Francisco leaves the gate
18 h 50 apart on the timetable, overnight
AS 655 leaves 18 h 50 after DL 3968 arrives on the timetable: more than half a day, so not a connection we count.