Question : How often are flights late from Kumamoto Airport (KMJ) to Incheon International Airport (ICN)?
Answer : The Kumamoto to Seoul route has an 82% on-time rate, ranking in the top 25% of the world in getting their passengers to their destinations on schedule. If a flight is delayed, though, expect an average of 20 minutes added to your flight time.
Question : What's the likelihood of you being delayed on this route?
Answer : The best measurement of overall promptness combines both on-time percentage and total delay minutes. KMJ to ICN currently has 4 stars out of 5, earning it one of the best performances in the world.