Flight Kansai International Airport departs from Osaka Kansai International Airport at 18:00 and arrives at Taipei Taoyuan International Airport at 20:15.
The flighttime is about 3h 15m. The distance travelled ("as the bird flies"): 1682 Km. So the average speed is roughly 518 Km.
There is an 1 hour time difference between Osaka and Taipei
The best day to arrive at Osaka is Wednesday and it would be best to avoid Thursday, as prices are on average 372.72% higher than on Wednesday. (Average prices, based on 79356 datapoints.)
We have a lot more statistics for flights BR 129 and between Osaka and Taipei.