Flight Juanda International Airport departs from Surabaya Juanda International Airport at 07:15 and arrives at Banda Aceh Sultan Iskandar Muda International Airport at 13:25.
The flighttime is about 6h 10m. The distance travelled ("as the bird flies"): 1950 Km. So the average speed is roughly 316 Km.
The best day to arrive at Surabaya is Wednesday and it would be best to avoid Friday, as prices are on average 6.15% higher than on Wednesday. (Average prices, based on 10199236 datapoints.)
We have a lot more statistics for flights JT 6597 and between Surabaya and Banda Aceh.