Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 05:35 and arrives at Semarang Achmad Yani International Airport at 06:55.
The flighttime is about 1h 20m. The distance travelled ("as the bird flies"): 415 Km. So the average speed is roughly 311 Km.
The best month to arrive at Jakarta is March and the most expensive month to fly is June. (Average prices, based on 6851 datapoints.)
The best day to arrive at Jakarta is Sunday and it would be best to avoid Saturday, as prices are on average 20.94% higher than on Sunday. (Average prices, based on 120527824 datapoints.)
The best time to book is 7 days before the departure date. You will get, on average, the cheapest price for flight GA 230. (Average prices, based on 5975 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 4996 datapoints.)
We have a lot more statistics for flights GA 230 and between Jakarta and Semarang.