CA 1216 then HU 7535 at Beijing
Kashgar → Beijing → Changsha
Timetable, Beijing time
01:55CA 1216 from Kashgar at the gate
21:10HU 7535 to Changsha leaves the gate
19 h 15 apart on the timetable
HU 7535 leaves 19 h 15 after CA 1216 arrives on the timetable: more than half a day, so not a connection we count.