Flight Changi Airport departs from Singapore Changi Airport at 18:10 and arrives at Manila Ninoy Aquino International Airport at 22:00.
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 Singapore is Tuesday and it would be best to avoid Saturday, as prices are on average 173.94% higher than on Tuesday. (Average prices, based on 8720175 datapoints.)
We have a lot more statistics for flights JQ 765 and between Singapore and Manila.