6E 1219 then VJ 814 at Changi
Chennai → Singapore → Ho Chi Minh City
Timetable, Singapore time
04:406E 1219 from Chennai at the gate
16:55VJ 814 to Ho Chi Minh City leaves the gate
12 h 15 apart on the timetable
VJ 814 leaves 12 h 15 after 6E 1219 arrives on the timetable: more than half a day, so not a connection we count.