Question : How often are flights late from Naha Airport (OKA) to Jeju International Airport (CJU)?
Answer : Passengers are currently getting to their destination on schedule 75% of the time, which ranks in the bottom half of the world. If a flight is late, though, expect an average of 10 minutes added to your flight time.
Question : Is this route your best bet for getting to Jeju with minimal delays?
Answer : Using the combined on-time percentage and average delay breakdown, Okinawa to Jeju currently has a 2 out of a possible 5 star rating. A 2-star rating means you should feel rather worried about getting to Jeju on time.