SQ 5712 then QF 4367 at San Francisco
Seoul → San Francisco → Los Angeles
Timetable, San Francisco time
14:30SQ 5712 from Seoul at the gatealso TG 6747, UA 7289
10:33QF 4367 to Los Angeles leaves the gate
20 h 03 apart on the timetable, overnight
QF 4367 leaves 20 h 03 after SQ 5712 arrives on the timetable: more than half a day, so not a connection we count.