KJ 284 then AS 411 at LAX
Seoul → Los Angeles → San Francisco
Timetable, Los Angeles time
19:50KJ 284 from Seoul at the gate
19:45AS 411 to San Francisco leaves the gate
23 h 55 apart on the timetable, overnight
AS 411 leaves 23 h 55 after KJ 284 arrives on the timetable: more than half a day, so not a connection we count.