Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 15:55 and arrives at Beijing Beijing Capital International Airport at 19:30.
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 Tuesday and it would be best to avoid Friday, as prices are on average 518.49% higher than on Tuesday. (Average prices, based on 244953 datapoints.)
We have a lot more statistics for flights HX 312 and between Hong Kong and Beijing.
