VA 8215 then AS 591 at San Francisco
Sacramento → San Francisco → Seattle
Timetable, San Francisco time
18:57VA 8215 from Sacramento at the gate
18:48AS 591 to Seattle leaves the gatealso QF 3787
23 h 51 apart on the timetable, overnight
AS 591 leaves 23 h 51 after VA 8215 arrives on the timetable: more than half a day, so not a connection we count.