Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 19:55 and arrives at Surabaya Juanda International Airport at 21:30.
The flighttime is about 1h 35m. The distance travelled ("as the bird flies"): 682 Km. So the average speed is roughly 431 Km.
The best month to arrive at Jakarta is February and the most expensive month to fly is April. (Average prices, based on 2741 datapoints.)
The best day to arrive at Jakarta is Wednesday and it would be best to avoid Monday, as prices are on average 48.85% higher than on Wednesday. (Average prices, based on 730883299 datapoints.)
We have a lot more statistics for flights QG 9720 and between Jakarta and Surabaya.