Flight Taoyuan International Airport departs from Taipei Taoyuan International Airport at 09:30 and arrives at Tokyo Narita International Airport at 14:00.
The flighttime is about 3h 30m. The distance travelled ("as the bird flies"): 2260 Km. So the average speed is roughly 646 Km.
There is an 1 hour time difference between Taipei and Tokyo
The best day to arrive at Taipei is Wednesday and it would be best to avoid Monday, as prices are on average 37.72% higher than on Wednesday. (Average prices, based on 2674476 datapoints.)
We have a lot more statistics for flights MM 622 and between Taipei and Tokyo.
IDR