Flight Narita International Airport departs from Tokyo Narita International Airport at 19:55 and arrives at Taipei Taoyuan International Airport at 23:10.
The flighttime is about 4h 15m. The distance travelled ("as the bird flies"): 2260 Km. So the average speed is roughly 532 Km.
There is an 1 hour time difference between Tokyo and Taipei
The best day to arrive at Tokyo is Monday and it would be best to avoid Thursday, as prices are on average 130.29% higher than on Monday. (Average prices, based on 2319692 datapoints.)
We have a lot more statistics for flights TR 875 and between Tokyo and Taipei.