Flight Taoyuan International Airport departs from Taipei Taoyuan International Airport at 22:30 and arrives at Hong Kong Hong Kong International Airport at 00:20.
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 Wednesday and it would be best to avoid Sunday, as prices are on average 151.04% higher than on Wednesday. (Average prices, based on 4180937 datapoints.)
We have a lot more statistics for flights CI 607 and between Taipei and Hong Kong.