Flight Hang Nadim Airport departs from Batam Hang Nadim Airport at 10:50 and arrives at Jakarta Soekarno–Hatta International Airport at 12:30.
The flighttime is about 1h 40m. The distance travelled ("as the bird flies"): 354 Km. So the average speed is roughly 212 Km.
The best month to arrive at Batam is September and the most expensive month to fly is December. (Average prices, based on 9310 datapoints.)
We have a lot more statistics for flights JT 371 and between Batam and Jakarta.