QF 4594 then AS 1340 at San Francisco
Philadelphia → San Francisco → Seattle
Timetable, San Francisco time
19:28QF 4594 from Philadelphia at the gate
17:42AS 1340 to Seattle leaves the gatealso QR 3438, AA 7579
22 h 14 apart on the timetable, overnight
AS 1340 leaves 22 h 14 after QF 4594 arrives on the timetable: more than half a day, so not a connection we count.