SQ 153 then VJ 814 at Changi
Phnom Penh → Singapore → Ho Chi Minh City
Timetable, Singapore time
12:50SQ 153 from Phnom Penh at the gate
11:15VJ 814 to Ho Chi Minh City leaves the gate
22 h 25 apart on the timetable, overnight
VJ 814 leaves 22 h 25 after SQ 153 arrives on the timetable: more than half a day, so not a connection we count.