KE2125 Korean Air - Flight Status

Which is the frequency of flight KE2125?
The flight KE2125 is scheduled to flight on Monday, Wednesday, Friday, Sunday on a weekly basis.

Which is the distance of flight KE2125?
The distance between the two airports is 1295 kilometers.

Which is the flight time of flight KE2125?
The scheduled flight time gate to gate is: 02:15 hours.
The real flight time gate to gate on average is: 02:24 hours.

Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.

Korean Air is the only airline operating the route from Jeju to Tokyo.

We have gathered data from recent months and present below an analysis of how timely the flights have been.

Delays analyzed by Weekday: We have gathered available data from last six months, spanning from May 07, 2025 to November 03, 2025. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Note: We have excluded some days from the graph, since the quantity and quality of the data is not representative enough.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from November 03, 2024 to October 31, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.