9C 8570 then 3U 8112 at Pudong
Jeju City → Shanghai → Chongqing
Timetable, Shanghai time
11:509C 8570 from Jeju City at the gate
11:403U 8112 to Chongqing leaves the gate
23 h 50 apart on the timetable, overnight
3U 8112 leaves 23 h 50 after 9C 8570 arrives on the timetable: more than half a day, so not a connection we count.