Flight Taoyuan International Airport departs from Taipei Taoyuan International Airport at 07:55 and arrives at Tokyo Narita International Airport at 12:25.
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 Saturday and it would be best to avoid Tuesday, as prices are on average 393.7% higher than on Saturday. (Average prices, based on 2997139 datapoints.)
We have a lot more statistics for flights NH 5850 and between Taipei and Tokyo.
