Flight Achmad Yani International Airport departs from Semarang Achmad Yani International Airport at 16:05 and arrives at Singapore Changi Airport at 19:15.
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 Semarang and Singapore
The best month to arrive at Semarang is October and the most expensive month to fly is December. (Average prices, based on 2002 datapoints.)
We have a lot more statistics for flights QZ 662 and between Semarang and Singapore.