Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 11:15 and arrives at Taipei Taoyuan International Airport at 13:00.
The flighttime is about 1h 45m. The distance travelled ("as the bird flies"): 826 Km. So the average speed is roughly 472 Km.
The best day to arrive at Hong Kong is Thursday and it would be best to avoid Monday, as prices are on average 56.54% higher than on Thursday. (Average prices, based on 4027789 datapoints.)
We have a lot more statistics for flights KE 852 and between Hong Kong and Taipei.