TR 839 then VJ 814 at Changi
Jeju City → Singapore → Ho Chi Minh City
Timetable, Singapore time
14:15TR 839 from Jeju City at the gate
11:15VJ 814 to Ho Chi Minh City leaves the gate
21 h apart on the timetable, overnight
VJ 814 leaves 21 h after TR 839 arrives on the timetable: more than half a day, so not a connection we count.