Flight El Tari International Airport departs from Kupang El Tari International Airport at 07:10 and arrives at Ruteng Frans Sales Lega Airport at 08:45.
The flighttime is about 1h 35m. The distance travelled ("as the bird flies"): 369 Km. So the average speed is roughly 233 Km.
The best day to arrive at Kupang is Wednesday and it would be best to avoid Thursday, as prices are on average 135.94% higher than on Wednesday. (Average prices, based on 40906 datapoints.)
We have a lot more statistics for flights IW 1991 and between Kupang and Ruteng.