Flight Taoyuan International Airport departs from Taipei Taoyuan International Airport at 16:40 and arrives at Hong Kong Hong Kong International Airport at 18:30.
The flighttime is about 1h 50m. The distance travelled ("as the bird flies"): 826 Km. So the average speed is roughly 451 Km.
The best day to arrive at Taipei is Saturday and it would be best to avoid Friday, as prices are on average 64.9% higher than on Saturday. (Average prices, based on 5067324 datapoints.)
We have a lot more statistics for flights BR 871 and between Taipei and Hong Kong.
