Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 13:00 and arrives at Semarang Achmad Yani International Airport at 14:10.
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 November and the most expensive month to fly is June. (Average prices, based on 4551 datapoints.)
The best day to arrive at Jakarta is Wednesday and it would be best to avoid Friday, as prices are on average 31.09% higher than on Wednesday. (Average prices, based on 128548862 datapoints.)
The best time to book is 37 days before the departure date. You will get, on average, the cheapest price for flight JT 512. (Average prices, based on 3920 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 4550 datapoints.)
We have a lot more statistics for flights JT 512 and between Jakarta and Semarang.