CA 1298 then CA 1215 at Beijing
Tumxuk → Beijing → Kashgar
Timetable, Beijing time
01:35CA 1298 from Tumxuk at the gate
13:55CA 1215 to Kashgar leaves the gate
12 h 20 apart on the timetable
CA 1215 leaves 12 h 20 after CA 1298 arrives on the timetable: more than half a day, so not a connection we count.