VU 311 then VZ 106 at Bangkok
Ho Chi Minh City → Bangkok → Chiang Mai
Timetable, Bangkok time
15:25VU 311 from Ho Chi Minh City at the gate
13:50VZ 106 to Chiang Mai leaves the gate
22 h 25 apart on the timetable, overnight
VZ 106 leaves 22 h 25 after VU 311 arrives on the timetable: more than half a day, so not a connection we count.