Flight Kualanamu International Airport departs from Medan Kualanamu International Airport at 18:30 and arrives at Jakarta Soekarno–Hatta International Airport at 20:55.
The flighttime is about 2h 25m. The distance travelled ("as the bird flies"): 895 Km. So the average speed is roughly 370 Km.
The best month to arrive at Medan is March and the most expensive month to fly is January. (Average prices, based on 3512 datapoints.)
The best day to arrive at Medan is Saturday and it would be best to avoid Sunday, as prices are on average 16.32% higher than on Saturday. (Average prices, based on 562660457 datapoints.)
We have a lot more statistics for flights OD 309 and between Medan and Jakarta.