BA 287 then QR 3391 at San Francisco
London → San Francisco → San Diego
Timetable, San Francisco time
18:45BA 287 from London at the gatealso IB 3628, AS 5277, AY 5527, AA 6998, EI 8987
10:29QR 3391 to San Diego leaves the gatealso QF 3748
15 h 44 apart on the timetable, overnight
QR 3391 leaves 15 h 44 after BA 287 arrives on the timetable: more than half a day, so not a connection we count.