9C 7050 then 9C 6937 at Pudong
Cheongju → Shanghai → Xiaguan
Timetable, Shanghai time
15:559C 7050 from Cheongju at the gate
15:309C 6937 to Xiaguan leaves the gate
23 h 35 apart on the timetable, overnight
9C 6937 leaves 23 h 35 after 9C 7050 arrives on the timetable: more than half a day, so not a connection we count.