Flight Juanda International Airport departs from Surabaya Juanda International Airport at 10:30 and arrives at Medan Kualanamu International Airport at 14:45.The flight has a short stop at Batam.
The flighttime is about 4h 15m. The distance travelled ("as the bird flies"): 1575 Km. So the average speed is roughly 371 Km.
The best month to arrive at Surabaya is September and the most expensive month to fly is March. (Average prices, based on 423 datapoints.)
We have a lot more statistics for flights IW 973 and between Surabaya and Medan.