Flight Narita International Airport departs from Tokyo Narita International Airport at 14:00 and arrives at Taipei Taoyuan International Airport at 17:05.
The flighttime is about 4h 05m. The distance travelled ("as the bird flies"): 2260 Km. So the average speed is roughly 553 Km.
There is an 1 hour time difference between Tokyo and Taipei
The best month to arrive at Tokyo is October and the most expensive month to fly is January. (Average prices, based on 359 datapoints.)
The best day to arrive at Tokyo is Friday and it would be best to avoid Saturday, as prices are on average 73.75% higher than on Friday. (Average prices, based on 2111943 datapoints.)
We have a lot more statistics for flights GA 197 and between Tokyo and Taipei.