Y8 7520 then OD 617 at Pudong
Zhengzhou → Shanghai → Kuala Lumpur
Timetable, Shanghai time
11:50Y8 7520 from Zhengzhou at the gate
03:55OD 617 to Kuala Lumpur leaves the gate
16 h 05 apart on the timetable, overnight
OD 617 leaves 16 h 05 after Y8 7520 arrives on the timetable: more than half a day, so not a connection we count.