Flight Changi Airport departs from Singapore Changi Airport at 14:20 and arrives at Semarang Achmad Yani International Airport at 15:20.
The flighttime is about 2h 00m. The distance travelled ("as the bird flies"): 760 Km. So the average speed is roughly 380 Km.
There is an 1 hour time difference between Singapore and Semarang
The best month to arrive at Singapore is February and the most expensive month to fly is July. (Average prices, based on 682 datapoints.)
We have a lot more statistics for flights TR 240 and between Singapore and Semarang.