TG 611 then VN 618 at Bangkok
Xiamen → Bangkok → Hanoi
Timetable, Bangkok time
20:15TG 611 from Xiamen at the gate
20:05VN 618 to Hanoi leaves the gate
23 h 50 apart on the timetable, overnight
VN 618 leaves 23 h 50 after TG 611 arrives on the timetable: more than half a day, so not a connection we count.