Flight Ferdinand Lumban Tobing Airport departs from Sibolga Ferdinand Lumban Tobing Airport at 11:10 and arrives at Medan Kualanamu International Airport at 12:00.
The flighttime is about 0h 50m. The distance travelled ("as the bird flies"): 72 Km. So the average speed is roughly 86 Km.
The best day to arrive at Sibolga is Tuesday and it would be best to avoid Sunday, as prices are on average 153.96% higher than on Tuesday. (Average prices, based on 201554 datapoints.)
We have a lot more statistics for flights IW 1257 and between Sibolga and Medan.