9C 6804 then 3U 8204 at Pudong
Harbin → Shanghai → Kunming
Timetable, Shanghai time
17:009C 6804 from Harbin at the gate
09:553U 8204 to Kunming leaves the gate
16 h 55 apart on the timetable, overnight
3U 8204 leaves 16 h 55 after 9C 6804 arrives on the timetable: more than half a day, so not a connection we count.