Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 14:00 and arrives at Banda Aceh Sultan Iskandar Muda International Airport at 16:45.
The flighttime is about 2h 45m. The distance travelled ("as the bird flies"): 1268 Km. So the average speed is roughly 461 Km.
The best day to arrive at Jakarta is Wednesday and it would be best to avoid Tuesday, as prices are on average 43.89% higher than on Wednesday. (Average prices, based on 77401073 datapoints.)
We have a lot more statistics for flights GA 142 and between Jakarta and Banda Aceh.