TR 553 then SQ 838 at Changi
Ho Chi Minh City → Singapore → Hangzhou
Timetable, Singapore time
18:50TR 553 from Ho Chi Minh City at the gate
18:30SQ 838 to Hangzhou leaves the gate
23 h 40 apart on the timetable, overnight
SQ 838 leaves 23 h 40 after TR 553 arrives on the timetable: more than half a day, so not a connection we count.