Flight Taoyuan International Airport departs from Taipei Taoyuan International Airport at 15:45 and arrives at Hong Kong Hong Kong International Airport at 17:40.
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 Wednesday and it would be best to avoid Sunday, as prices are on average 59.33% higher than on Wednesday. (Average prices, based on 3441896 datapoints.)
We have a lot more statistics for flights HX 255 and between Taipei and Hong Kong.
THB
