Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 19:00 and arrives at Beijing Beijing Capital International Airport at 22:35.
The flighttime is about 3h 35m. The distance travelled ("as the bird flies"): 890 Km. So the average speed is roughly 248 Km.
The best day to arrive at Hong Kong is Thursday and it would be best to avoid Sunday, as prices are on average 469.35% higher than on Thursday. (Average prices, based on 165144 datapoints.)
We have a lot more statistics for flights CX 344 and between Hong Kong and Beijing.