Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 19:05 and arrives at Palembang Sultan Mahmud Badaruddin II International Airport at 20:15.
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 month to arrive at Jakarta is February and the most expensive month to fly is December. (Average prices, based on 649 datapoints.)
The best day to arrive at Jakarta is Wednesday and it would be best to avoid Tuesday, as prices are on average 32% higher than on Wednesday. (Average prices, based on 102827869 datapoints.)
We have a lot more statistics for flights IU 3870 and between Jakarta and Palembang.