Flight Taoyuan International Airport departs from Taipei Taoyuan International Airport at 10:55 and arrives at Hong Kong Hong Kong International Airport at 12:55.
The flighttime is about 2h 00m. The distance travelled ("as the bird flies"): 826 Km. So the average speed is roughly 413 Km.
The best day to arrive at Taipei is Wednesday and it would be best to avoid Monday, as prices are on average 180.67% higher than on Wednesday. (Average prices, based on 3435828 datapoints.)
We have a lot more statistics for flights KA 485 and between Taipei and Hong Kong.