AA 517 then QR 3422 at San Francisco
Chicago O'Hare → San Francisco → San Diego
Timetable, San Francisco time
11:31AA 517 from Chicago O'Hare at the gatealso QF 4687
07:04QR 3422 to San Diego leaves the gate
19 h 33 apart on the timetable, overnight
QR 3422 leaves 19 h 33 after AA 517 arrives on the timetable: more than half a day, so not a connection we count.