Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 16:25 and arrives at Tokyo Haneda Airport at 21:15.
The flighttime is about 3h 50m. The distance travelled ("as the bird flies"): 2992 Km. So the average speed is roughly 781 Km.
There is an 1 hour time difference between Hong Kong and Tokyo
The best day to arrive at Hong Kong is Friday and it would be best to avoid Wednesday, as prices are on average 65.63% higher than on Friday. (Average prices, based on 2180910 datapoints.)
We have a lot more statistics for flights CX 542 and between Hong Kong and Tokyo.