9C 7684 then 3U 8204 at Pudong
Shantou → Shanghai → Kunming
Timetable, Shanghai time
16:059C 7684 from Shantou at the gate
09:553U 8204 to Kunming leaves the gate
17 h 50 apart on the timetable, overnight
3U 8204 leaves 17 h 50 after 9C 7684 arrives on the timetable: more than half a day, so not a connection we count.