LJ 521 Seoul to Jeju Flight Status

Jin Air Flight LJ521 from Seoul Gimpo International Airport GMP to Jeju International Airport CJU is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on October 25th, 2025.
Check the table below for LJ521's most recent flight history:

LJ 521 Flight Status & Schedule

Date Departure Arrival Status
Oct 25 20:44 21:40
Landed
Track >
Sep 14 15:38 16:33
Landed
Track >
Sep 12 15:45 16:39
Landed
Track >
Sep 10 15:01 15:59
Landed
Track >
Sep 07 15:44 16:46
Landed
Track >

Jin Air LJ 521 Seoul to Jeju Flight Information

Jin Air Flight LJ521 connects Seoul, South Korea to Jeju, South Korea, taking off from Seoul Gimpo International Airport GMP and landing at Jeju International Airport CJU.

How long is the LJ521 flight from Seoul to Jeju?

The average flight time from Seoul to Jeju is 56 minutes. The flight distance is 451 km / 280 miles and the average flight speed is 485 km/h / 301 mph.

What is the On-Time Performance (OTP) of Jin Air Flight LJ521 Seoul to Jeju?

The Airportia On-Time Performance Rating for Jin Air Flight LJ521 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest LJ521 flight?

The latest flight took off on Saturday, October 25th, 2025 with the flight status being Landed on 21:40.

How else can the flight LJ521 be referenced as?

This Jin Air flight can also be referenced as JNA521, LJ0521, LJ 521, JNA 521.

How often is flight LJ521 delayed?

On average, 43% of all LJ521 flights are delayed. The average delay is 6 minutes.

See our LJ521 Flight Tracker above for more details.

LJ521 and Seoul GMP to Jeju CJU Flights

Other flights departing from Seoul GMP: KE1209, 7C183, TW981, TW983

Other flights arriving at Jeju CJU: LJ411, 7C707, ZE2628

All flights connecting Seoul GMP to Jeju CJU.

LJ521 Jin Air Flight: Seoul to Jeju Route Map

LJ521 Jin Air Flight Map: Seoul to Jeju
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.