Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 13:45 and arrives at Palembang Sultan Mahmud Badaruddin II International Airport at 15:00.
The flighttime is about 1h 15m. The distance travelled ("as the bird flies"): 238 Km. So the average speed is roughly 190 Km.
The best day to arrive at Jakarta is Tuesday and it would be best to avoid Sunday, as prices are on average 189.48% higher than on Tuesday. (Average prices, based on 205305225 datapoints.)
We have a lot more statistics for flights 6E 3505 and between Jakarta and Palembang.
