Flight Haneda Airport departs from Tokyo Haneda Airport at 08:50 and arrives at Hong Kong Hong Kong International Airport at 12:55.
The flighttime is about 5h 05m. The distance travelled ("as the bird flies"): 2992 Km. So the average speed is roughly 589 Km.
There is an 1 hour time difference between Tokyo and Hong Kong
The best day to arrive at Tokyo is Sunday and it would be best to avoid Wednesday, as prices are on average 210.99% higher than on Sunday. (Average prices, based on 1207009 datapoints.)
We have a lot more statistics for flights NH 859 and between Tokyo and Hong Kong.