BA 285 then QR 3422 at San Francisco
London → San Francisco → San Diego
Timetable, San Francisco time
14:55BA 285 from London at the gatealso IB 3626, AS 5279, AY 5525, AA 6996, EI 8985
07:04QR 3422 to San Diego leaves the gate
16 h 09 apart on the timetable, overnight
QR 3422 leaves 16 h 09 after BA 285 arrives on the timetable: more than half a day, so not a connection we count.