3U 8205 then CZ 3039 at Guangzhou
Kunming → Guangzhou → Singapore
Timetable, Guangzhou time
19:503U 8205 from Kunming at the gate
12:30CZ 3039 to Singapore leaves the gate
16 h 40 apart on the timetable, overnight
CZ 3039 leaves 16 h 40 after 3U 8205 arrives on the timetable: more than half a day, so not a connection we count.