MU 730 then Y8 7566 at Pudong
Osaka → Shanghai → Shenzhen
Timetable, Shanghai time
11:00MU 730 from Osaka at the gate
10:30Y8 7566 to Shenzhen leaves the gate
23 h 30 apart on the timetable, overnight
Y8 7566 leaves 23 h 30 after MU 730 arrives on the timetable: more than half a day, so not a connection we count.