Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 10:15 and arrives at Semarang Achmad Yani International Airport at 11:25.
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 November. (Average prices, based on 1150 datapoints.)
The best day to arrive at Jakarta is Wednesday and it would be best to avoid Sunday, as prices are on average 9.39% higher than on Wednesday. (Average prices, based on 127615414 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 986 datapoints.)
We have a lot more statistics for flights JT 6342 and between Jakarta and Semarang.