QF 4594 then UA 762 at San Francisco
Philadelphia → San Francisco → Seattle
Timetable, San Francisco time
19:28QF 4594 from Philadelphia at the gate
18:30UA 762 to Seattle leaves the gatealso LX 3256, AZ 4515, NH 7304, VA 8284, NZ 9400
23 h 02 apart on the timetable, overnight
UA 762 leaves 23 h 02 after QF 4594 arrives on the timetable: more than half a day, so not a connection we count.