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 day to arrive at Jakarta is Wednesday and it would be best to avoid Sunday, as prices are on average 15.77% higher than on Wednesday. (Average prices, based on 752772115 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 337 datapoints.)
We have a lot more statistics for flights JT 6692 and between Jakarta and Medan.