Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 15:40 and arrives at Jambi Sultan Thaha Airport at 16:55.
The flighttime is about 1h 15m. The distance travelled ("as the bird flies"): 360 Km. So the average speed is roughly 288 Km.
The best month to arrive at Jakarta is September and the most expensive month to fly is January. (Average prices, based on 5459 datapoints.)
We have a lot more statistics for flights SL 606 and between Jakarta and Jambi.