Flight Kualanamu International Airport departs from Medan Kualanamu International Airport at 08:45 and arrives at Singapore Changi Airport at 11:05.
The flighttime is about 1h 20m. The distance travelled ("as the bird flies"): 571 Km. So the average speed is roughly 428 Km.
There is an 1 hour time difference between Medan and Singapore
The best day to arrive at Medan is Wednesday and it would be best to avoid Thursday, as prices are on average 199.73% higher than on Wednesday. (Average prices, based on 158678 datapoints.)
We have a lot more statistics for flights SQ 991 and between Medan and Singapore.