Flight Changi Airport departs from Singapore Changi Airport at 14:25 and arrives at Semarang Achmad Yani International Airport at 15:35.
The flighttime is about 2h 10m. The distance travelled ("as the bird flies"): 760 Km. So the average speed is roughly 351 Km.
There is an 1 hour time difference between Singapore and Semarang
The best month to arrive at Singapore is September and the most expensive month to fly is July. (Average prices, based on 770 datapoints.)
The best day to arrive at Singapore is Tuesday and it would be best to avoid Wednesday, as prices are on average 31.88% higher than on Tuesday. (Average prices, based on 1060453 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 257 datapoints.)
We have a lot more statistics for flights QZ 663 and between Singapore and Semarang.