CA 782 then CA 1491 at Beijing
Urumqi → Beijing → Zunyi
Timetable, Beijing time
14:10CA 782 from Urumqi at the gate
09:30CA 1491 to Zunyi leaves the gate
19 h 20 apart on the timetable, overnight
CA 1491 leaves 19 h 20 after CA 782 arrives on the timetable: more than half a day, so not a connection we count.