JL 8122 then BX 718 at Narita
Tokyo → Tokyo → Busan
Timetable, Tokyo time
16:15JL 8122 from Tokyo at the gate
11:25BX 718 to Busan leaves the gate
19 h 10 apart on the timetable, overnight
BX 718 leaves 19 h 10 after JL 8122 arrives on the timetable: more than half a day, so not a connection we count.