Flight Taoyuan International Airport departs from Taipei Taoyuan International Airport at 10:50 and arrives at Hong Kong Hong Kong International Airport at 13:00.
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 Monday, as prices are on average 55.6% higher than on Thursday. (Average prices, based on 5093749 datapoints.)
We have a lot more statistics for flights CX 489 and between Taipei and Hong Kong.
