9C 8734 then 9C 8573 at Pudong
Taiyuan → Shanghai → Jeju City
Timetable, Shanghai time
23:509C 8734 from Taiyuan at the gate
20:109C 8573 to Jeju City leaves the gate
20 h 20 apart on the timetable, overnight
9C 8573 leaves 20 h 20 after 9C 8734 arrives on the timetable: more than half a day, so not a connection we count.