CA 1492 then 3U 6030 at Beijing
Zunyi → Beijing → Harbin
Timetable, Beijing time
23:55CA 1492 from Zunyi at the gate
23:203U 6030 to Harbin leaves the gate
23 h 25 apart on the timetable, overnight
3U 6030 leaves 23 h 25 after CA 1492 arrives on the timetable: more than half a day, so not a connection we count.