Flight Juanda International Airport departs from Surabaya Juanda International Airport at 19:00 and arrives at Jakarta Soekarno–Hatta International Airport at 20:35.
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 day to arrive at Surabaya is Saturday and it would be best to avoid Friday, as prices are on average 1014.52% higher than on Saturday. (Average prices, based on 882261218 datapoints.)
We have a lot more statistics for flights 6E 3574 and between Surabaya and Jakarta.
