EU 6677 then MU 5689 at Pudong
Chengdu → Shanghai → Hohhot
Timetable, Shanghai time
20:00EU 6677 from Chengdu at the gate
17:00MU 5689 to Hohhot leaves the gate
21 h apart on the timetable, overnight
MU 5689 leaves 21 h after EU 6677 arrives on the timetable: more than half a day, so not a connection we count.