Flight Taoyuan International Airport departs from Taipei Taoyuan International Airport at 08:00 and arrives at Hong Kong Hong Kong International Airport at 09:55.
The flighttime is about 1h 55m. The distance travelled ("as the bird flies"): 826 Km. So the average speed is roughly 431 Km.
The best day to arrive at Taipei is Saturday and it would be best to avoid Friday, as prices are on average 178.12% higher than on Saturday. (Average prices, based on 3438217 datapoints.)
We have a lot more statistics for flights CX 407 and between Taipei and Hong Kong.