AA 2120 then QR 3422 at San Francisco
Dallas-Fort Worth → San Francisco → San Diego
Timetable, San Francisco time
08:56AA 2120 from Dallas-Fort Worth at the gatealso IB 8018
07:04QR 3422 to San Diego leaves the gate
22 h 08 apart on the timetable, overnight
QR 3422 leaves 22 h 08 after AA 2120 arrives on the timetable: more than half a day, so not a connection we count.