Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 07:00 and arrives at Medan Kualanamu International Airport at 09:15.
The flighttime is about 2h 15m. The distance travelled ("as the bird flies"): 895 Km. So the average speed is roughly 398 Km.
The best month to arrive at Jakarta is October and the most expensive month to fly is December. (Average prices, based on 12835 datapoints.)
The best day to arrive at Jakarta is Sunday and it would be best to avoid Wednesday, as prices are on average 3.5% higher than on Sunday. (Average prices, based on 789721384 datapoints.)
The best time to book is 22 days before the departure date. You will get, on average, the cheapest price for flight IU 940. (Average prices, based on 3257 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 3600 datapoints.)
We have a lot more statistics for flights IU 940 and between Jakarta and Medan.