DL 634 then KJ 2811 at LAX
Detroit → Los Angeles → Seoul
Timetable, Los Angeles time
14:28DL 634 from Detroit at the gate
10:40KJ 2811 to Seoul leaves the gate
20 h 12 apart on the timetable, overnight
KJ 2811 leaves 20 h 12 after DL 634 arrives on the timetable: more than half a day, so not a connection we count.