VU 305 then MU 542 at Bangkok
Hanoi → Bangkok → Shanghai
Timetable, Bangkok time
14:10VU 305 from Hanoi at the gate
13:35MU 542 to Shanghai leaves the gate
23 h 25 apart on the timetable, overnight
MU 542 leaves 23 h 25 after VU 305 arrives on the timetable: more than half a day, so not a connection we count.