Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 17:30 and arrives at Medan Kualanamu International Airport at 19:50.
The flighttime is about 2h 20m. The distance travelled ("as the bird flies"): 895 Km. So the average speed is roughly 384 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 Monday, as prices are on average 92.98% higher than on Sunday. (Average prices, based on 788017776 datapoints.)
We have a lot more statistics for flights OD 308 and between Jakarta and Medan.