CA 1492 then 8L 9988 at Beijing
Zunyi → Beijing → Kunming
Timetable, Beijing time
23:55CA 1492 from Zunyi at the gate
20:158L 9988 to Kunming leaves the gate
20 h 20 apart on the timetable, overnight
8L 9988 leaves 20 h 20 after CA 1492 arrives on the timetable: more than half a day, so not a connection we count.