Flight Changi Airport departs from Singapore Changi Airport at 20:40 and arrives at Cebu Mactan-Cebu International Airport at 00:25.
The flighttime is about 3h 45m. The distance travelled ("as the bird flies"): 2254 Km. So the average speed is roughly 601 Km.
The best day to arrive at Singapore is Saturday and it would be best to avoid Tuesday, as prices are on average 307.55% higher than on Saturday. (Average prices, based on 151980 datapoints.)
We have a lot more statistics for flights TR 380 and between Singapore and Cebu.