Flight El Tari International Airport departs from Kupang El Tari International Airport at 10:50 and arrives at Larantuka Gewayantana Airport at 11:45.
The flighttime is about 0h 55m. The distance travelled ("as the bird flies"): 135 Km. So the average speed is roughly 147 Km.
The best day to arrive at Kupang is Sunday and it would be best to avoid Friday, as prices are on average 5.56% higher than on Sunday. (Average prices, based on 1325946 datapoints.)
We have a lot more statistics for flights IW 1931 and between Kupang and Larantuka.