IT 202 then JL 751 at Narita
Taipei → Tokyo → Hanoi
Timetable, Tokyo time
19:35IT 202 from Taipei at the gate
18:00JL 751 to Hanoi leaves the gate
22 h 25 apart on the timetable, overnight
JL 751 leaves 22 h 25 after IT 202 arrives on the timetable: more than half a day, so not a connection we count.