Flight Taoyuan International Airport departs from Taipei Taoyuan International Airport at 02:20 and arrives at Tokyo Narita International Airport at 06:25.
The flighttime is about 3h 05m. The distance travelled ("as the bird flies"): 2260 Km. So the average speed is roughly 733 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 Tuesday, as prices are on average 81.53% higher than on Wednesday. (Average prices, based on 2916552 datapoints.)
We have a lot more statistics for flights GK 12 and between Taipei and Tokyo.
