Flight Ninoy Aquino International Airport departs from Manila Ninoy Aquino International Airport at 09:30 and arrives at Singapore Changi Airport at 13:20.
The flighttime is about 3h 50m. The distance travelled ("as the bird flies"): 1963 Km. So the average speed is roughly 512 Km.
The best day to arrive at Manila is Friday and it would be best to avoid Thursday, as prices are on average 55.22% higher than on Friday. (Average prices, based on 23105928 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 147 datapoints.)
We have a lot more statistics for flights PR 507 and between Manila and Singapore.