B6 923 then KJ 281 at LAX
New York JFK → Los Angeles → Seoul
Timetable, Los Angeles time
00:47B6 923 from New York JFK at the gate
21:05KJ 281 to Seoul leaves the gate
20 h 18 apart on the timetable
KJ 281 leaves 20 h 18 after B6 923 arrives on the timetable: more than half a day, so not a connection we count.