Flight Ferdinand Lumban Tobing Airport departs from Sibolga Ferdinand Lumban Tobing Airport at 12:50 and arrives at Medan Kualanamu International Airport at 14:05.
The flighttime is about 1h 15m. The distance travelled ("as the bird flies"): 72 Km. So the average speed is roughly 58 Km.
The best day to arrive at Sibolga is Monday and it would be best to avoid Wednesday, as prices are on average 38.65% higher than on Monday. (Average prices, based on 298307 datapoints.)
We have a lot more statistics for flights IW 1259 and between Sibolga and Medan.