CA 1216 then HU 7635 at Beijing
Kashgar → Beijing → Changsha
Timetable, Beijing time
01:45CA 1216 from Kashgar at the gate
22:05HU 7635 to Changsha leaves the gate
20 h 20 apart on the timetable
HU 7635 leaves 20 h 20 after CA 1216 arrives on the timetable: more than half a day, so not a connection we count.