9C 6576 then EU 6678 at Pudong
Osaka → Shanghai → Chengdu
Timetable, Shanghai time
14:109C 6576 from Osaka at the gate
12:55EU 6678 to Chengdu leaves the gate
22 h 45 apart on the timetable, overnight
EU 6678 leaves 22 h 45 after 9C 6576 arrives on the timetable: more than half a day, so not a connection we count.