Flight Taoyuan International Airport departs from Taipei Taoyuan International Airport at 08:20 and arrives at Hong Kong Hong Kong International Airport at 10:30.
The flighttime is about 2h 10m. The distance travelled ("as the bird flies"): 826 Km. So the average speed is roughly 381 Km.
The best day to arrive at Taipei is Thursday and it would be best to avoid Friday, as prices are on average 60.49% higher than on Thursday. (Average prices, based on 4173833 datapoints.)
We have a lot more statistics for flights CX 407 and between Taipei and Hong Kong.