SQ 607 then VJ 814 at Changi
Seoul → Singapore → Ho Chi Minh City
Timetable, Singapore time
14:25SQ 607 from Seoul at the gate
11:15VJ 814 to Ho Chi Minh City leaves the gate
20 h 50 apart on the timetable, overnight
VJ 814 leaves 20 h 50 after SQ 607 arrives on the timetable: more than half a day, so not a connection we count.