9C 8734 then CI 504 at Pudong
Taiyuan → Shanghai → Taipei
Timetable, Shanghai time
21:409C 8734 from Taiyuan at the gate
19:50CI 504 to Taipei leaves the gate
22 h 10 apart on the timetable, overnight
CI 504 leaves 22 h 10 after 9C 8734 arrives on the timetable: more than half a day, so not a connection we count.