UA 360 then KJ 2811 at LAX
Boston → Los Angeles → Seoul
Timetable, Los Angeles time
12:03UA 360 from Boston at the gate
10:40KJ 2811 to Seoul leaves the gate
22 h 37 apart on the timetable, overnight
KJ 2811 leaves 22 h 37 after UA 360 arrives on the timetable: more than half a day, so not a connection we count.