Flight Kansai International Airport departs from Osaka Kansai International Airport at 20:45 and arrives at Hong Kong Hong Kong International Airport at 23:45.
The flighttime is about 4h 00m. The distance travelled ("as the bird flies"): 2482 Km. So the average speed is roughly 620 Km.
There is an 1 hour time difference between Osaka and Hong Kong
The best day to arrive at Osaka is Friday and it would be best to avoid Thursday, as prices are on average 295.18% higher than on Friday. (Average prices, based on 2342571 datapoints.)
We have a lot more statistics for flights UO 689 and between Osaka and Hong Kong.