Flight Changi Airport departs from Singapore Changi Airport at 02:00 and arrives at Manila Ninoy Aquino International Airport at 05:40.
The flighttime is about 3h 40m. The distance travelled ("as the bird flies"): 1963 Km. So the average speed is roughly 535 Km.
The best day to arrive at Singapore is Tuesday and it would be best to avoid Saturday, as prices are on average 147.67% higher than on Tuesday. (Average prices, based on 8846754 datapoints.)
We have a lot more statistics for flights TR 396 and between Singapore and Manila.