CA 1492 then SC 2128 at Beijing
Zunyi → Beijing → Xiamen
Timetable, Beijing time
23:55CA 1492 from Zunyi at the gate
21:30SC 2128 to Xiamen leaves the gate
21 h 35 apart on the timetable, overnight
SC 2128 leaves 21 h 35 after CA 1492 arrives on the timetable: more than half a day, so not a connection we count.