Flight Achmad Yani International Airport departs from Semarang Achmad Yani International Airport at 18:10 and arrives at Jakarta Soekarno–Hatta International Airport at 19:20.
The flighttime is about 1h 10m. The distance travelled ("as the bird flies"): 415 Km. So the average speed is roughly 356 Km.
The best day to arrive at Semarang is Wednesday and it would be best to avoid Sunday, as prices are on average 51.55% higher than on Wednesday. (Average prices, based on 104864701 datapoints.)
We have a lot more statistics for flights SL 6353 and between Semarang and Jakarta.
