Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 13:00 and arrives at Semarang Achmad Yani International Airport at 14:05.
The flighttime is about 1h 05m. The distance travelled ("as the bird flies"): 415 Km. So the average speed is roughly 383 Km.
The best month to arrive at Jakarta is May and the most expensive month to fly is July. (Average prices, based on 561 datapoints.)
The best day to arrive at Jakarta is Monday and it would be best to avoid Sunday, as prices are on average 6.61% higher than on Monday. (Average prices, based on 128909503 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 556 datapoints.)
We have a lot more statistics for flights IU 304 and between Jakarta and Semarang.