Flight Liuting Airport departs from Qingdao Liuting Airport at 21:40 and arrives at Chengdu Chengdu Shuangliu International Airport at 00:40.
The flighttime is about 4h 00m. The distance travelled ("as the bird flies"): 1840 Km. So the average speed is roughly 460 Km.
There is an 1 hour time difference between Qingdao and Chengdu