Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 13:50 and arrives at Beijing Beijing Capital International Airport at 17:20.
The flighttime is about 3h 30m. The distance travelled ("as the bird flies"): 890 Km. So the average speed is roughly 254 Km.
The best day to arrive at Hong Kong is Saturday and it would be best to avoid Friday, as prices are on average 454.69% higher than on Saturday. (Average prices, based on 204324 datapoints.)
We have a lot more statistics for flights CX 392 and between Hong Kong and Beijing.