Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 22:50 and arrives at Taipei Taoyuan International Airport at 00:40.
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 Hong Kong is Sunday and it would be best to avoid Friday, as prices are on average 1019.7% higher than on Sunday. (Average prices, based on 3936767 datapoints.)
We have a lot more statistics for flights CX 408 and between Hong Kong and Taipei.