Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 20:10 and arrives at Surabaya Juanda International Airport at 21:50.
The flighttime is about 1h 40m. The distance travelled ("as the bird flies"): 682 Km. So the average speed is roughly 409 Km.
The best day to arrive at Jakarta is Sunday and it would be best to avoid Wednesday, as prices are on average 113.4% higher than on Sunday. (Average prices, based on 1275916998 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 120 datapoints.)
We have a lot more statistics for flights VN 3750 and between Jakarta and Surabaya.
