Flight Achmad Yani International Airport departs from Semarang Achmad Yani International Airport at 11:20 and arrives at Jakarta Halim Perdanakusuma International Airport at 12:30.
The flighttime is about 1h 10m. The distance travelled ("as the bird flies"): 389 Km. So the average speed is roughly 333 Km.
The best day to arrive at Semarang is Wednesday and it would be best to avoid Saturday, as prices are on average 47.25% higher than on Wednesday. (Average prices, based on 45534963 datapoints.)
We have a lot more statistics for flights ID 6354 and between Semarang and Jakarta.