VU 311 then VZ 224 at Bangkok
Ho Chi Minh City → Bangkok → Ubon Ratchathani
Timetable, Bangkok time
15:25VU 311 from Ho Chi Minh City at the gate
14:40VZ 224 to Ubon Ratchathani leaves the gate
23 h 15 apart on the timetable, overnight
VZ 224 leaves 23 h 15 after VU 311 arrives on the timetable: more than half a day, so not a connection we count.