B6 1487 then KJ 2811 at LAX
Boston → Los Angeles → Seoul
Timetable, Los Angeles time
13:27B6 1487 from Boston at the gate
10:40KJ 2811 to Seoul leaves the gate
21 h 13 apart on the timetable, overnight
KJ 2811 leaves 21 h 13 after B6 1487 arrives on the timetable: more than half a day, so not a connection we count.