Flight Ninoy Aquino International Airport departs from Manila Ninoy Aquino International Airport at 09:35 and arrives at Singapore Changi Airport at 13:15.
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 Manila is Monday and it would be best to avoid Wednesday, as prices are on average 1024.7% higher than on Monday. (Average prices, based on 21443056 datapoints.)
We have a lot more statistics for flights NH 507 and between Manila and Singapore.