CA 1492 then CA 1295 at Beijing
Zunyi → Beijing → Urumqi
Timetable, Beijing time
23:55CA 1492 from Zunyi at the gate
20:20CA 1295 to Urumqi leaves the gate
20 h 25 apart on the timetable, overnight
CA 1295 leaves 20 h 25 after CA 1492 arrives on the timetable: more than half a day, so not a connection we count.