JX 716 then IT 232 at Taipei
Hanoi → Taipei → Naha
Timetable, Taipei time
19:20JX 716 from Hanoi at the gate
18:20IT 232 to Naha leaves the gate
23 h apart on the timetable, overnight
IT 232 leaves 23 h after JX 716 arrives on the timetable: more than half a day, so not a connection we count.