VN 310 then TG 643 at Narita
Hanoi → Tokyo → Bangkok
Timetable, Tokyo time
12:45VN 310 from Hanoi at the gate
11:45TG 643 to Bangkok leaves the gate
23 h apart on the timetable, overnight
TG 643 leaves 23 h after VN 310 arrives on the timetable: more than half a day, so not a connection we count.