Flight Changi Airport departs from Singapore Changi Airport at 13:35 and arrives at Taipei Taipei Songshan Airport at 18:30.
The flighttime is about 12h 55m. The distance travelled ("as the bird flies"): 2167 Km. So the average speed is roughly 168 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 181.09% higher than on Sunday. (Average prices, based on 84217 datapoints.)
We have a lot more statistics for flights CI 754 and between Singapore and Taipei.