Flight Juanda International Airport departs from Surabaya Juanda International Airport at 19:00 and arrives at Jakarta Soekarno–Hatta International Airport at 20:30.
The flighttime is about 1h 30m. The distance travelled ("as the bird flies"): 682 Km. So the average speed is roughly 455 Km.
The best day to arrive at Surabaya is Saturday and it would be best to avoid Sunday, as prices are on average 17.99% higher than on Saturday. (Average prices, based on 543033862 datapoints.)
We have a lot more statistics for flights QG 173 and between Surabaya and Jakarta.
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