CA 1492 then CA 1615 at Beijing
Zunyi → Beijing → Yanji
Timetable, Beijing time
23:55CA 1492 from Zunyi at the gate
18:55CA 1615 to Yanji leaves the gate
19 h apart on the timetable, overnight
CA 1615 leaves 19 h after CA 1492 arrives on the timetable: more than half a day, so not a connection we count.