FM 9530 then EU 6678 at Pudong
Wenzhou → Shanghai → Chengdu
Timetable, Shanghai time
15:45FM 9530 from Wenzhou at the gate
12:55EU 6678 to Chengdu leaves the gate
21 h 10 apart on the timetable, overnight
EU 6678 leaves 21 h 10 after FM 9530 arrives on the timetable: more than half a day, so not a connection we count.