Flight Ferdinand Lumban Tobing Airport departs from Sibolga Ferdinand Lumban Tobing Airport at 13:05 and arrives at Medan Kualanamu International Airport at 14:00.
The flighttime is about 0h 55m. The distance travelled ("as the bird flies"): 72 Km. So the average speed is roughly 79 Km.
The best day to arrive at Sibolga is Thursday and it would be best to avoid Wednesday, as prices are on average 45.5% higher than on Thursday. (Average prices, based on 200662 datapoints.)
We have a lot more statistics for flights IW 1259 and between Sibolga and Medan.