CA 1492 then CA 1123 at Beijing
Zunyi → Beijing → Tongliao
Timetable, Beijing time
23:55CA 1492 from Zunyi at the gate
19:35CA 1123 to Tongliao leaves the gate
19 h 40 apart on the timetable, overnight
CA 1123 leaves 19 h 40 after CA 1492 arrives on the timetable: more than half a day, so not a connection we count.