Flight Changi Airport departs from Singapore Changi Airport at 13:15 and arrives at Taipei Taoyuan International Airport at 17:50.
The flighttime is about 4h 35m. The distance travelled ("as the bird flies"): 2134 Km. So the average speed is roughly 466 Km.
The best day to arrive at Singapore is Sunday and it would be best to avoid Thursday, as prices are on average 193.28% higher than on Sunday. (Average prices, based on 789201 datapoints.)
We have a lot more statistics for flights BR 226 and between Singapore and Taipei.