VU 311 then VZ 108 at Bangkok
Ho Chi Minh City → Bangkok → Chiang Mai
Timetable, Bangkok time
15:25VU 311 from Ho Chi Minh City at the gate
15:15VZ 108 to Chiang Mai leaves the gate
23 h 50 apart on the timetable, overnight
VZ 108 leaves 23 h 50 after VU 311 arrives on the timetable: more than half a day, so not a connection we count.