Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 10:00 and arrives at Tokyo Haneda Airport at 15:10.
The flighttime is about 4h 10m. The distance travelled ("as the bird flies"): 2992 Km. So the average speed is roughly 718 Km.
There is an 1 hour time difference between Hong Kong and Tokyo
The best day to arrive at Hong Kong is Wednesday and it would be best to avoid Friday, as prices are on average 59.43% higher than on Wednesday. (Average prices, based on 2195818 datapoints.)
We have a lot more statistics for flights NH 812 and between Hong Kong and Tokyo.
