Flight Changi Airport departs from Singapore Changi Airport at 17:10 and arrives at Clark Clark International Airport at 21:00.
The flighttime is about 3h 50m. The distance travelled ("as the bird flies"): 1921 Km. So the average speed is roughly 501 Km.
The best day to arrive at Singapore is Tuesday and it would be best to avoid Sunday, as prices are on average 658.8% higher than on Tuesday. (Average prices, based on 237402 datapoints.)
We have a lot more statistics for flights JQ 779 and between Singapore and Clark.