Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 09:05 and arrives at Tokyo Narita International Airport at 14:10.
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 Thursday and it would be best to avoid Friday, as prices are on average 51.59% higher than on Thursday. (Average prices, based on 7925339 datapoints.)
We have a lot more statistics for flights CX 504 and between Hong Kong and Tokyo.