CA 1256 then CA 1601 at Beijing
Yining → Beijing → Shenyang
Timetable, Beijing time
23:55CA 1256 from Yining at the gate
21:00CA 1601 to Shenyang leaves the gate
21 h 05 apart on the timetable, overnight
CA 1601 leaves 21 h 05 after CA 1256 arrives on the timetable: more than half a day, so not a connection we count.