KJ 284 then AA 136 at LAX
Seoul → Los Angeles → London
Timetable, Los Angeles time
20:42KJ 284 from Seoul at the gate
18:30AA 136 to London leaves the gate
21 h 48 apart on the timetable, overnight
AA 136 leaves 21 h 48 after KJ 284 arrives on the timetable: more than half a day, so not a connection we count.