PD 671 then QR 3422 at San Francisco
Toronto → San Francisco → San Diego
Timetable, San Francisco time
12:44PD 671 from Toronto at the gatealso TS 7671, AA 9133
07:04QR 3422 to San Diego leaves the gate
18 h 20 apart on the timetable, overnight
QR 3422 leaves 18 h 20 after PD 671 arrives on the timetable: more than half a day, so not a connection we count.