QF 4594 then AA 7502 at San Francisco
Philadelphia → San Francisco → Seattle
Timetable, San Francisco time
19:28QF 4594 from Philadelphia at the gatealso BA 5439
18:48AA 7502 to Seattle leaves the gate
23 h 20 apart on the timetable, overnight
AA 7502 leaves 23 h 20 after QF 4594 arrives on the timetable: more than half a day, so not a connection we count.