Flight Taoyuan International Airport departs from Taipei Taoyuan International Airport at 12:35 and arrives at Tokyo Narita International Airport at 16:35.
The flighttime is about 3h 00m. The distance travelled ("as the bird flies"): 2260 Km. So the average speed is roughly 753 Km.
There is an 1 hour time difference between Taipei and Tokyo
The best day to arrive at Taipei is Saturday and it would be best to avoid Wednesday, as prices are on average 289.36% higher than on Saturday. (Average prices, based on 2794033 datapoints.)
We have a lot more statistics for flights CI 104 and between Taipei and Tokyo.