The best month to fly with Flight IW1239 is June and the most expensive month to fly is July. (Average prices, based on 441 datapoints.)
The best day to arrive at Medan is Thursday and it would be best to avoid Sunday, as prices are on average 6.95% higher than on Thursday. (Average prices, based on 2275573 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 348 datapoints.)