Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 13:25 and arrives at Semarang Achmad Yani International Airport at 14:40.
The flighttime is about 1h 15m. The distance travelled ("as the bird flies"): 415 Km. So the average speed is roughly 332 Km.
The best month to arrive at Jakarta is October and the most expensive month to fly is April. (Average prices, based on 2971 datapoints.)
The best day to arrive at Jakarta is Friday and it would be best to avoid Sunday, as prices are on average 10.28% higher than on Friday. (Average prices, based on 160163531 datapoints.)
The best time to book is 58 days before the departure date. You will get, on average, the cheapest price for flight GA 242. (Average prices, based on 2759 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 2923 datapoints.)
We have a lot more statistics for flights GA 242 and between Jakarta and Semarang.