Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 10:00 and arrives at Palembang Sultan Mahmud Badaruddin II International Airport at 11:10.
The flighttime is about 1h 10m. The distance travelled ("as the bird flies"): 238 Km. So the average speed is roughly 204 Km.
The best day to arrive at Jakarta is Wednesday and it would be best to avoid Saturday, as prices are on average 8.93% higher than on Wednesday. (Average prices, based on 182864721 datapoints.)
The best time to book is 51 days before the departure date. You will get, on average, the cheapest price for flight JT 334. (Average prices, based on 1981 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 2016 datapoints.)
We have a lot more statistics for flights JT 334 and between Jakarta and Palembang.