Flight Changi Airport departs from Singapore Changi Airport at 06:00 and arrives at Manila Ninoy Aquino International Airport at 09:50.
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 Wednesday and it would be best to avoid Friday, as prices are on average 172.98% higher than on Wednesday. (Average prices, based on 8719790 datapoints.)
We have a lot more statistics for flights JQ 761 and between Singapore and Manila.