ZH 9527 then 9C 6107 at Pudong
Shenzhen → Shanghai → Chongqing
Timetable, Shanghai time
23:40ZH 9527 from Shenzhen at the gate
22:559C 6107 to Chongqing leaves the gate
23 h 15 apart on the timetable, overnight
9C 6107 leaves 23 h 15 after ZH 9527 arrives on the timetable: more than half a day, so not a connection we count.