Flight Juanda International Airport departs from Surabaya Juanda International Airport at 11:30 and arrives at Jakarta Soekarno–Hatta International Airport at 13:10.
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 Surabaya is Friday and it would be best to avoid Sunday, as prices are on average 20.34% higher than on Friday. (Average prices, based on 882114406 datapoints.)
We have a lot more statistics for flights EY 8148 and between Surabaya and Jakarta.
