Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 10:30 and arrives at Tokyo Narita International Airport at 15:35.
The flighttime is about 4h 05m. The distance travelled ("as the bird flies"): 3064 Km. So the average speed is roughly 750 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 60.2% higher than on Monday. (Average prices, based on 7930307 datapoints.)
We have a lot more statistics for flights JL 7046 and between Hong Kong and Tokyo.