CX 376 then 3U 8204 at Pudong
Hong Kong → Shanghai → Kunming
Timetable, Shanghai time
13:30CX 376 from Hong Kong at the gate
09:553U 8204 to Kunming leaves the gate
20 h 25 apart on the timetable, overnight
3U 8204 leaves 20 h 25 after CX 376 arrives on the timetable: more than half a day, so not a connection we count.