Flight KE 1223: Seoul Gimpo → Jeju

Korean Air12 November 2026ScheduledUpdated 9 min ago, official airport data

All flights Seoul Gimpo → Jeju

Departure

Seoul Gimpo GMP

20:40

Scheduled

Terminal: Domestic

Not departed yet

Flight time: 1 h 15 min

Arrival

Jeju CJU

21:55

Scheduled

Terminal: Domestic

Data from the official airport boards. Times are local to each airport.

Follow flight KE 1223, 12 November 2026

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Flight time: 1 h 15 min
Distance: ≈ 451 km
On time: 72%
Average departure delay: 10 min
Days of the week

Punctuality of flight KE 1223

“On time” means the flight left no later than 15 minutes after its scheduled departure time. Finished flights counted: 18, over the last 60 days of the airport boards.

Flights counted: 18
On time: 72%
Average departure delay: 10 min
Cancelled: 0

On time, up to 15 min late13
Delayed 16–60 min5
Delayed over 60 min0
Cancelled0

One bar per finished flight, the oldest on the left; the height is the delay at departure. The history table below lists the same flights.

Flight KE 1223 history

Flights of the last 60 days from the airport boards. Delay against the scheduled departure.

Date / Departure	Route	Departure	Delay	Status
Wed 11 Nov20:40+14 min	Seoul Gimpo → Jeju	20:40	+14 min	Landed
Tue 10 Nov20:40+8 min	Seoul Gimpo → Jeju	20:40	+8 min	Landed
Mon 9 Nov20:40+50 min	Seoul Gimpo → Jeju	20:40	+50 min	Landed
Sun 8 Nov20:40+16 min	Seoul Gimpo → Jeju	20:40	+16 min	Landed
Sat 7 Nov20:40+22 min	Seoul Gimpo → Jeju	20:40	+22 min	Landed
Fri 6 Nov20:40+41 min	Seoul Gimpo → Jeju	20:40	+41 min	Landed
Thu 5 Nov20:40+22 min	Seoul Gimpo → Jeju	20:40	+22 min	Landed
Wed 4 Nov20:40+48 min	Seoul Gimpo → Jeju	20:40	+48 min	Landed
Tue 3 Nov20:40+18 min	Seoul Gimpo → Jeju	20:40	+18 min	Landed
Mon 2 Nov20:40+13 min	Seoul Gimpo → Jeju	20:40	+13 min	Landed
Sun 1 Nov20:40+71 min	Seoul Gimpo → Jeju	20:40	+71 min	Landed
Sat 31 Oct20:40+27 min	Seoul Gimpo → Jeju	20:40	+27 min	Landed
Fri 30 Oct20:40+14 min	Seoul Gimpo → Jeju	20:40	+14 min	Landed
Thu 29 Oct20:40+34 min	Seoul Gimpo → Jeju	20:40	+34 min	Landed
Wed 28 Oct20:40+15 min	Seoul Gimpo → Jeju	20:40	+15 min	Landed
Tue 27 Oct20:40+16 min	Seoul Gimpo → Jeju	20:40	+16 min	Landed
Mon 26 Oct20:40+6 min	Seoul Gimpo → Jeju	20:40	+6 min	Landed
Sun 25 Oct20:40+48 min	Seoul Gimpo → Jeju	20:40	+48 min	Landed

Flight KE 1223: schedule and upcoming dates

Days it flew in the last 60 days
Usual departure time: 20:40
Usual arrival time: 21:55

Dates already on the boards

Thu 12 NovDeparture 20:40, Arrival 21:55Scheduled

Route of flight KE 1223

Departure airport: Seoul Gimpo (GMP). Arrival airport: Jeju (CJU). Scheduled flight time: about 1 h 15 min. Distance between the airports: about 451 km in a straight line.

Questions about flight KE 1223

Is flight KE 1223 on time today?

For 12 November 2026 the airport board shows flight KE 1223 as “Scheduled”. Departure: Seoul Gimpo, 20:40. Arrival: Jeju, 21:55.

Which terminal and gate does flight KE 1223 use?

Seoul Gimpo (GMP): Terminal Domestic. Jeju (CJU): Terminal Domestic. Gates are announced shortly before boarding and can change: check the screens at the airport.

How often is flight KE 1223 delayed?

Over 18 flights: on time (within 15 min) 72%, average delay 10 min, cancelled 0.

How long does flight KE 1223 take?

About 1 h 15 min by the schedule. The airports are 451 km apart.

On which days does flight KE 1223 operate?

In the last 60 days it was on the boards on: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday.

How can I get notified when flight KE 1223 changes?

Use the notifications block at the top of this page: Telegram or e-mail. We will message you when the status, time, terminal, check-in desk or gate changes on the airport board, exactly as the board shows it. Every message has a Stop button or link.

Flight KE 1223, 12 November 2026