VN 617 then VZ 568 at Bangkok
Hanoi → Bangkok → Taipei
Timetable, Bangkok time
21:00VN 617 from Hanoi at the gate
09:05VZ 568 to Taipei leaves the gate
12 h 05 apart on the timetable, overnight
VZ 568 leaves 12 h 05 after VN 617 arrives on the timetable: more than half a day, so not a connection we count.