Flight Changi Airport departs from Singapore Changi Airport at 15:45 and arrives at Taipei Taipei Songshan Airport at 20:15.
The flighttime is about 12h 30m. The distance travelled ("as the bird flies"): 2167 Km. So the average speed is roughly 173 Km.
There is an 8 hour time difference between Singapore and Taipei
The best day to arrive at Singapore is Sunday and it would be best to avoid Thursday, as prices are on average 211.94% higher than on Sunday. (Average prices, based on 130303 datapoints.)
We have a lot more statistics for flights BR 216 and between Singapore and Taipei.