CA 1492 then CA 1883 at Beijing
Zunyi → Beijing → Shanghai Pudong
Timetable, Beijing time
23:55CA 1492 from Zunyi at the gate
20:55CA 1883 to Shanghai Pudong leaves the gate
21 h apart on the timetable, overnight
CA 1883 leaves 21 h after CA 1492 arrives on the timetable: more than half a day, so not a connection we count.