MU 897 then SQ 251 at Changi
Hangzhou → Singapore → Darwin
Timetable, Singapore time
02:30MU 897 from Hangzhou at the gate
18:40SQ 251 to Darwin leaves the gate
16 h 10 apart on the timetable
SQ 251 leaves 16 h 10 after MU 897 arrives on the timetable: more than half a day, so not a connection we count.