SQ 847 then VJ 814 at Changi
Chengdu → Singapore → Ho Chi Minh City
Timetable, Singapore time
15:10SQ 847 from Chengdu at the gate
11:15VJ 814 to Ho Chi Minh City leaves the gate
20 h 05 apart on the timetable, overnight
VJ 814 leaves 20 h 05 after SQ 847 arrives on the timetable: more than half a day, so not a connection we count.