Flight Taoyuan International Airport departs from Taipei Taoyuan International Airport at 02:40 and arrives at Tokyo Narita International Airport at 07:00.
The flighttime is about 3h 20m. The distance travelled ("as the bird flies"): 2260 Km. So the average speed is roughly 678 Km.
There is an 1 hour time difference between Taipei and Tokyo
The best day to arrive at Taipei is Monday and it would be best to avoid Tuesday, as prices are on average 100.9% higher than on Monday. (Average prices, based on 2967178 datapoints.)
We have a lot more statistics for flights GK 12 and between Taipei and Tokyo.
