9C 6576 then 3U 8204 at Pudong
Osaka → Shanghai → Kunming
Timetable, Shanghai time
14:109C 6576 from Osaka at the gate
09:553U 8204 to Kunming leaves the gate
19 h 45 apart on the timetable, overnight
3U 8204 leaves 19 h 45 after 9C 6576 arrives on the timetable: more than half a day, so not a connection we count.