UA 892 then AS 2486 at San Francisco
Seoul → San Francisco → Los Angeles
Timetable, San Francisco time
11:45UA 892 from Seoul at the gatealso OZ 6614
06:00AS 2486 to Los Angeles leaves the gate
18 h 15 apart on the timetable, overnight
AS 2486 leaves 18 h 15 after UA 892 arrives on the timetable: more than half a day, so not a connection we count.