UA 892 then VA 8546 at San Francisco
Seoul → San Francisco → Los Angeles
Timetable, San Francisco time
11:45UA 892 from Seoul at the gatealso OZ 6614
05:50VA 8546 to Los Angeles leaves the gate
18 h 05 apart on the timetable, overnight
VA 8546 leaves 18 h 05 after UA 892 arrives on the timetable: more than half a day, so not a connection we count.