KJ 284 then DL 420 at LAX
Seoul → Los Angeles → Dallas-Fort Worth
Timetable, Los Angeles time
20:35KJ 284 from Seoul at the gate
17:00DL 420 to Dallas-Fort Worth leaves the gate
20 h 25 apart on the timetable, overnight
DL 420 leaves 20 h 25 after KJ 284 arrives on the timetable: more than half a day, so not a connection we count.