Flight Ninoy Aquino International Airport departs from Manila Ninoy Aquino International Airport at 05:35 and arrives at Singapore Changi Airport at 09:25.
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 Wednesday and it would be best to avoid Saturday, as prices are on average 100.29% higher than on Wednesday. (Average prices, based on 21428791 datapoints.)
We have a lot more statistics for flights 5J 813 and between Manila and Singapore.