Flight Juanda International Airport departs from Surabaya Juanda International Airport at 09:25 and arrives at Batam Hang Nadim Airport at 13:05.
The flighttime is about 3h 40m. The distance travelled ("as the bird flies"): 1006 Km. So the average speed is roughly 274 Km.
The best month to arrive at Surabaya is March and the most expensive month to fly is December. (Average prices, based on 6540 datapoints.)
We have a lot more statistics for flights IW 951 and between Surabaya and Batam.