Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 17:35 and arrives at Tokyo Haneda Airport at 22:55.
The flighttime is about 4h 20m. The distance travelled ("as the bird flies"): 2992 Km. So the average speed is roughly 690 Km.
There is an 1 hour time difference between Hong Kong and Tokyo
The best day to arrive at Hong Kong is Monday and it would be best to avoid Sunday, as prices are on average 432.8% higher than on Monday. (Average prices, based on 2294828 datapoints.)
We have a lot more statistics for flights UO 622 and between Hong Kong and Tokyo.
