Flight El Tari International Airport departs from Kupang El Tari International Airport at 12:15 and arrives at Larantuka Gewayantana Airport at 13:15.
The flighttime is about 1h 00m. The distance travelled ("as the bird flies"): 135 Km. So the average speed is roughly 135 Km.
The best day to arrive at Kupang is Tuesday and it would be best to avoid Friday, as prices are on average 6.57% higher than on Tuesday. (Average prices, based on 1551249 datapoints.)
We have a lot more statistics for flights IW 1931 and between Kupang and Larantuka.