AA 2407 then QR 2091 at San Francisco
Philadelphia → San Francisco → Santa Ana
Timetable, San Francisco time
11:35AA 2407 from Philadelphia at the gate
09:00QR 2091 to Santa Ana leaves the gate
21 h 25 apart on the timetable, overnight
QR 2091 leaves 21 h 25 after AA 2407 arrives on the timetable: more than half a day, so not a connection we count.