VS 1903 then QF 4397 at San Francisco
Seattle → San Francisco → Philadelphia
Timetable, San Francisco time
23:33VS 1903 from Seattle at the gatealso DL 2635, AM 4471
22:58QF 4397 to Philadelphia leaves the gate
23 h 25 apart on the timetable, overnight
QF 4397 leaves 23 h 25 after VS 1903 arrives on the timetable: more than half a day, so not a connection we count.