CA 1216 then CA 1589 at Beijing
Kashgar → Beijing → Shanghai Hongqiao
Timetable, Beijing time
01:45CA 1216 from Kashgar at the gate
20:25CA 1589 to Shanghai Hongqiao leaves the gate
18 h 40 apart on the timetable
CA 1589 leaves 18 h 40 after CA 1216 arrives on the timetable: more than half a day, so not a connection we count.