Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 12:30 and arrives at Medan Kualanamu International Airport at 14:50.
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 day to arrive at Jakarta is Thursday and it would be best to avoid Tuesday, as prices are on average 7.52% higher than on Thursday. (Average prices, based on 752557005 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 1211 datapoints.)
We have a lot more statistics for flights JT 384 and between Jakarta and Medan.