Flight Halim Perdanakusuma International Airport departs from Jakarta Halim Perdanakusuma International Airport at 14:45 and arrives at Semarang Achmad Yani International Airport at 16:10.
The flighttime is about 1h 25m. The distance travelled ("as the bird flies"): 389 Km. So the average speed is roughly 275 Km.
The best day to arrive at Jakarta is Tuesday and it would be best to avoid Saturday, as prices are on average 58.5% higher than on Tuesday. (Average prices, based on 10891509 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 181 datapoints.)
We have a lot more statistics for flights QG 5448 and between Jakarta and Semarang.