KJ 284 then DL 2197 at LAX
Seoul → Los Angeles → San Francisco
Timetable, Los Angeles time
20:35KJ 284 from Seoul at the gate
18:02DL 2197 to San Francisco leaves the gate
21 h 27 apart on the timetable, overnight
DL 2197 leaves 21 h 27 after KJ 284 arrives on the timetable: more than half a day, so not a connection we count.