MU 6366 then EU 6678 at Pudong
Nanning → Shanghai → Chengdu
Timetable, Shanghai time
18:10MU 6366 from Nanning at the gate
12:55EU 6678 to Chengdu leaves the gate
18 h 45 apart on the timetable, overnight
EU 6678 leaves 18 h 45 after MU 6366 arrives on the timetable: more than half a day, so not a connection we count.