BA 5322 then QR 3422 at San Francisco
Chicago O'Hare → San Francisco → San Diego
Timetable, San Francisco time
18:14BA 5322 from Chicago O'Hare at the gatealso EI 7369
07:04QR 3422 to San Diego leaves the gate
12 h 50 apart on the timetable, overnight
QR 3422 leaves 12 h 50 after BA 5322 arrives on the timetable: more than half a day, so not a connection we count.