AA 2407 then QR 3422 at San Francisco
Philadelphia → San Francisco → San Diego
Timetable, San Francisco time
11:35AA 2407 from Philadelphia at the gate
07:04QR 3422 to San Diego leaves the gate
19 h 29 apart on the timetable, overnight
QR 3422 leaves 19 h 29 after AA 2407 arrives on the timetable: more than half a day, so not a connection we count.