EU 6677 then HU 7612 at Pudong
Chengdu → Shanghai → Beijing Capital
Timetable, Shanghai time
20:00EU 6677 from Chengdu at the gate
19:30HU 7612 to Beijing Capital leaves the gate
23 h 30 apart on the timetable, overnight
HU 7612 leaves 23 h 30 after EU 6677 arrives on the timetable: more than half a day, so not a connection we count.