Flight Changi Airport departs from Singapore Changi Airport at 15:15 and arrives at Xiamen Gaoqi International Airport at 20:15.
The flighttime is about 5h 00m. The distance travelled ("as the bird flies"): 1797 Km. So the average speed is roughly 359 Km.
The best day to arrive at Singapore is Saturday and it would be best to avoid Tuesday, as prices are on average 360.98% higher than on Saturday. (Average prices, based on 177190 datapoints.)
We have a lot more statistics for flights MF 852 and between Singapore and Xiamen.
