Flight Narita International Airport departs from Tokyo Narita International Airport at 14:20 and arrives at Hong Kong Hong Kong International Airport at 18:55.
The flighttime is about 5h 35m. The distance travelled ("as the bird flies"): 3064 Km. So the average speed is roughly 549 Km.
There is an 1 hour time difference between Tokyo and Hong Kong
The best day to arrive at Tokyo is Thursday and it would be best to avoid Monday, as prices are on average 125.67% higher than on Thursday. (Average prices, based on 15969468 datapoints.)
We have a lot more statistics for flights QR 5803 and between Tokyo and Hong Kong.