CA 1492 then 3U 8888 at Beijing
Zunyi → Beijing → Chengdu Shuangliu
Timetable, Beijing time
23:55CA 1492 from Zunyi at the gate
17:403U 8888 to Chengdu Shuangliu leaves the gate
17 h 45 apart on the timetable, overnight
3U 8888 leaves 17 h 45 after CA 1492 arrives on the timetable: more than half a day, so not a connection we count.