KJ 286 then UA 580 at LAX
Seoul → Los Angeles → Houston
Timetable, Los Angeles time
00:58KJ 286 from Seoul at the gate
23:59UA 580 to Houston leaves the gate
23 h 01 apart on the timetable
UA 580 leaves 23 h 01 after KJ 286 arrives on the timetable: more than half a day, so not a connection we count.