CA 1246 then CA 1589 at Beijing
Hotan → Beijing → Shanghai Hongqiao
Timetable, Beijing time
23:55CA 1246 from Hotan at the gate
20:30CA 1589 to Shanghai Hongqiao leaves the gate
20 h 35 apart on the timetable, overnight
CA 1589 leaves 20 h 35 after CA 1246 arrives on the timetable: more than half a day, so not a connection we count.