Flight Haneda Airport departs from Tokyo Haneda Airport at 10:05 and arrives at Hong Kong Hong Kong International Airport at 13:50.
The flighttime is about 4h 45m. The distance travelled ("as the bird flies"): 2992 Km. So the average speed is roughly 630 Km.
There is an 1 hour time difference between Tokyo and Hong Kong
The best day to arrive at Tokyo is Monday and it would be best to avoid Thursday, as prices are on average 160.86% higher than on Monday. (Average prices, based on 1105346 datapoints.)
We have a lot more statistics for flights CX 543 and between Tokyo and Hong Kong.