CA 8572 then EU 6678 at Pudong
Harbin → Shanghai → Chengdu
Timetable, Shanghai time
20:40CA 8572 from Harbin at the gate
12:55EU 6678 to Chengdu leaves the gate
16 h 15 apart on the timetable, overnight
EU 6678 leaves 16 h 15 after CA 8572 arrives on the timetable: more than half a day, so not a connection we count.