TR 875 then VJ 814 at Changi
Tokyo Narita → Singapore → Ho Chi Minh City
Timetable, Singapore time
04:50TR 875 from Tokyo Narita at the gate
16:55VJ 814 to Ho Chi Minh City leaves the gate
12 h 05 apart on the timetable
VJ 814 leaves 12 h 05 after TR 875 arrives on the timetable: more than half a day, so not a connection we count.