AA 3049 then QR 3422 at San Francisco
Chicago O'Hare → San Francisco → San Diego
Timetable, San Francisco time
12:41AA 3049 from Chicago O'Hare at the gatealso QF 3164
07:04QR 3422 to San Diego leaves the gate
18 h 23 apart on the timetable, overnight
QR 3422 leaves 18 h 23 after AA 3049 arrives on the timetable: more than half a day, so not a connection we count.