Flight Haneda Airport departs from Tokyo Haneda Airport at 16:20 and arrives at Hong Kong Hong Kong International Airport at 20:00.
The flighttime is about 4h 40m. The distance travelled ("as the bird flies"): 2992 Km. So the average speed is roughly 641 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 Saturday, as prices are on average 91.37% higher than on Sunday. (Average prices, based on 1516091 datapoints.)
We have a lot more statistics for flights JL 7039 and between Tokyo and Hong Kong.
