GMP Gimpo International Airport
live · 34m ago
SeoulGimpo International Airport13:43·#16/327
OPSWATCH
+19 min

Seoul (GMP) airport average departure delay right now

Departures +19 min, arrivals on schedule. No cancellations across 20 tracked flights.

Hour by hour
13:00today +19 min minor

Drag. Solid bars are observed. Hatched bars are expected.

Seoul (GMP) delays today: 60% of the 161 flights we have timed operated within 15 minutes of schedule. Departures are running +19 min and arrivals on schedule, across 20 flights tracked so far today. No cancellations have been recorded. Source: official airport boards, METAR weather, Pro Flight Search tracking. Updated 23 September 2026 at 04:09 UTC.

Departures94 timed
On time26%24
Delayed74%70
typical now +19 min
Arrivals67 timed
On time94%63
Delayed6%4
typical now on schedule
On the boardDeparturesfull board ↗
13:25 13:50LJ655USN Ulsan · gate 7+25 min
13:45 14:00RS905CJU Jeju City · gate 3+15 min
13:45ZE217CJU Jeju City · gate 14on time
13:557C1327KIX Osaka · gate 40on time
13:55TW717CJU Jeju City · gate 16on time
14:007C155CJU Jeju City · gate 18on time
14:00 14:10KE1141CJU Jeju City · gate 11+10 min
14:00 14:10KE1819PUS Busan · gate 8+10 min

When this board posts +15, the median flight leaves +36. Posted vs. actual across every hub: the slippage study →

Arrivalsfull board ↗
13:25 13:357C154CJU from Jeju City+10 min
13:30 13:36ZE292PUS from Busan+6 min
13:35 13:437C118CJU from Jeju City+8 min
13:45BX8808PUS from Busanon time
13:45 14:00XU2594HIN from Sacheon+15 min
14:00 14:04OZ3625SHA from Shanghai+4 min
Running late right now6 of 206 still on the board · 2.9%
+25
LJ655 → Ulsan · dep 13:50
Across our network, flights this late still cancel only 0.5% of the time.
+15
RS905 → Jeju City · dep 14:00
Board says +15. When this board first posts +15, the median flight departs +36.
+15
XU2594 from Sacheon · arr 14:00
Typical claw-back on this sector is ~24 min.
+10
KE1141 → Jeju City · dep 14:10
Board says +10. When this board first posts +15, the median flight departs +36.
In the air to GMPlive positions · 3-min feed
10aircraft inbound · next to land 7C154 from Jeju City, lands ~13:44
7C154Jeju City
on final · ~13:44
7C118Jeju City
on final · ~13:45
ZE292Busan
lands ~13:47
BX8808Busan
on final · ~13:47

Positions as of 13:38 local · updates every 3 min. Tap any flight to watch it on its own page.

Delayed routes todaymedian · min 3 legs
RSUYeosu+19m
CJUJeju City+15m
USNUlsan+15m
SHAShanghai+15m
Airlines by median delay todaymedian · min 3 legs
ZE이스타항공+16m
LJ진에어+16m
OZ아시아나항공+15m
Cancelled 0.0%0 of 20 A typical day here runs ~1%. Today is holding at or below normal. Made up in the air Network figure ~28 min Network-wide median for delayed flights in our tracked sample.
Last 30 days

Today is the 10th worst day of the last 30. Median day: +17 min departures.

Typical week here
+18
MON
+16
TUE
+17
WED
+18
THU
+18
FRI
+17
SAT
+17
SUN

Last 90 days: lightest on Tuesday (+16 min), heaviest on Monday (+18 min).

Watch this airportfree · no account

One message when GMP crosses your line, one when it clears. Nothing else, ever.

Tell me when delays go

From forecast@proflightsearch.com · one-tap unwatch in every message.

Sample · what you getGMP went yellow · departures now +34 min and building · 19:40 local. Weather clears after 03:00. → proflightsearch.com/airport-delays/seoul-GMP

Seoul airport delays today

Delays are building at GMP. A typical departure is currently +19 min. Arrivals are on schedule. Cancellations: 0 of 20 tracked flights (0.0%). The calmest upcoming departure hour looks like 20:00 (+16 min expected).

Other Seoul airports: ICN · Nearby gateways: ICN CJU FUK KKJ NGS IZO · Global delay board · Nonstop routes from Seoul

Is Seoul (GMP) delayed right now?

Delays are building at GMP. Departures +19 min, arrivals on schedule. No cancellations across 20 tracked flights. 60% of the 161 flights we timed here today operated within 15 minutes of schedule.

What is the best day to fly from Seoul (GMP)?

Over the last 90 days, Tuesday averaged the lightest departure delays (+16 min). Monday ran heaviest (+18 min).

How often are flights delayed at GMP today?

We tracked 20 flights today: departures +19 min, arrivals on schedule. No cancellations are recorded in the tracked sample.

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Suggested citation

Pro Flight Search: Seoul (GMP) live delay and board tracking, measured from official airport boards.

Canonical URL
https://proflightsearch.com/airport-delays/seoul-GMP
How we measure this →
Technical · METAR, flight rules & indexes
Dep index
1.3/5Arr index
0.0/5
delay window 13:09 local · How these are computed → methodology