CA 1256 then CA 1635 at Beijing
Yining → Beijing → Shenyang
Timetable, Beijing time
23:55CA 1256 from Yining at the gate
19:30CA 1635 to Shenyang leaves the gate
19 h 35 apart on the timetable, overnight
CA 1635 leaves 19 h 35 after CA 1256 arrives on the timetable: more than half a day, so not a connection we count.