Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 15:00 and arrives at Semarang Achmad Yani International Airport at 16:10.
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 month to arrive at Jakarta is March and the most expensive month to fly is June. (Average prices, based on 7367 datapoints.)
The best day to arrive at Jakarta is Tuesday and it would be best to avoid Friday, as prices are on average 10.06% higher than on Tuesday. (Average prices, based on 120502898 datapoints.)
The best time to book is 7 days before the departure date. You will get, on average, the cheapest price for flight GA 238. (Average prices, based on 6494 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 4990 datapoints.)
We have a lot more statistics for flights GA 238 and between Jakarta and Semarang.