9C 8734 then FM 9425 at Pudong
Taiyuan → Shanghai → Chongqing
Timetable, Shanghai time
23:509C 8734 from Taiyuan at the gate
16:10FM 9425 to Chongqing leaves the gate
16 h 20 apart on the timetable, overnight
FM 9425 leaves 16 h 20 after 9C 8734 arrives on the timetable: more than half a day, so not a connection we count.