Flight Taoyuan International Airport departs from Taipei Taoyuan International Airport at 21:45 and arrives at Hong Kong Hong Kong International Airport at 23:45.
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 Saturday and it would be best to avoid Thursday, as prices are on average 484.58% higher than on Saturday. (Average prices, based on 3458905 datapoints.)
We have a lot more statistics for flights BR 2891 and between Taipei and Hong Kong.