Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 11:10 and arrives at Surabaya Juanda International Airport at 12:45.
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 month to arrive at Jakarta is October and the most expensive month to fly is June. (Average prices, based on 29079 datapoints.)
The best day to arrive at Jakarta is Sunday and it would be best to avoid Wednesday, as prices are on average 10.2% higher than on Sunday. (Average prices, based on 732118416 datapoints.)
The best time to book is 18 days before the departure date. You will get, on average, the cheapest price for flight GA 312. (Average prices, based on 10000 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 4995 datapoints.)
We have a lot more statistics for flights GA 312 and between Jakarta and Surabaya.