9C 8734 then CI 506 at Pudong
Taiyuan → Shanghai → Taipei
Timetable, Shanghai time
23:509C 8734 from Taiyuan at the gate
20:50CI 506 to Taipei leaves the gate
21 h apart on the timetable, overnight
CI 506 leaves 21 h after 9C 8734 arrives on the timetable: more than half a day, so not a connection we count.