Flight Incheon International Airport departs from Seoul Incheon International Airport at 19:45 and arrives at Taipei Taoyuan International Airport at 21:25.
The flighttime is about 2h 40m. The distance travelled ("as the bird flies"): 958 Km. So the average speed is roughly 359 Km.
There is an 1 hour time difference between Seoul and Taipei
The best day to arrive at Seoul is Saturday and it would be best to avoid Monday, as prices are on average 147.02% higher than on Saturday. (Average prices, based on 2747289 datapoints.)
We have a lot more statistics for flights BR 159 and between Seoul and Taipei.
