Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 08:45 and arrives at Solo Adisumarmo International Airport at 10:00.
The flighttime is about 1h 15m. The distance travelled ("as the bird flies"): 458 Km. So the average speed is roughly 366 Km.
The best day to arrive at Jakarta is Sunday and it would be best to avoid Wednesday, as prices are on average 13.75% higher than on Sunday. (Average prices, based on 113928022 datapoints.)
We have a lot more statistics for flights MH 4026 and between Jakarta and Solo.