MU 730 then 3U 8204 at Pudong
Osaka → Shanghai → Kunming
Timetable, Shanghai time
11:00MU 730 from Osaka at the gate
09:553U 8204 to Kunming leaves the gate
22 h 55 apart on the timetable, overnight
3U 8204 leaves 22 h 55 after MU 730 arrives on the timetable: more than half a day, so not a connection we count.