CA 1492 then 3U 6308 at Beijing
Zunyi → Beijing → Sanya
Timetable, Beijing time
23:55CA 1492 from Zunyi at the gate
21:553U 6308 to Sanya leaves the gate
22 h apart on the timetable, overnight
3U 6308 leaves 22 h after CA 1492 arrives on the timetable: more than half a day, so not a connection we count.