Flight El Tari International Airport departs from Kupang El Tari International Airport at 08:00 and arrives at Tambolaka Tambolaka Airport at 09:30.
The flighttime is about 1h 30m. The distance travelled ("as the bird flies"): 494 Km. So the average speed is roughly 329 Km.
The best day to arrive at Kupang is Wednesday and it would be best to avoid Saturday, as prices are on average 38.62% higher than on Wednesday. (Average prices, based on 1382756 datapoints.)
We have a lot more statistics for flights IW 1919 and between Kupang and Tambolaka.