QV 445 then FM 840 at Bangkok
Vientiane → Bangkok → Shanghai
Timetable, Bangkok time
20:00QV 445 from Vientiane at the gate
19:55FM 840 to Shanghai leaves the gate
23 h 55 apart on the timetable, overnight
FM 840 leaves 23 h 55 after QV 445 arrives on the timetable: more than half a day, so not a connection we count.