9C 8902 then CA 4556 at Pudong
Mianyang → Shanghai → Chongqing
Timetable, Shanghai time
23:559C 8902 from Mianyang at the gate
20:40CA 4556 to Chongqing leaves the gate
20 h 45 apart on the timetable, overnight
CA 4556 leaves 20 h 45 after 9C 8902 arrives on the timetable: more than half a day, so not a connection we count.