Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 22:35 and arrives at Taipei Taoyuan International Airport at 00:40.
The flighttime is about 2h 05m. The distance travelled ("as the bird flies"): 826 Km. So the average speed is roughly 396 Km.
The best day to arrive at Hong Kong is Saturday and it would be best to avoid Friday, as prices are on average 9.62% higher than on Saturday. (Average prices, based on 3972037 datapoints.)
We have a lot more statistics for flights GA 284 and between Hong Kong and Taipei.