Korean Air
Is KE1240 delayed?
Service date: · Actual departure date; scheduled departure unavailable (Asia/Seoul)
Arrived
7 min early
Official source · Updated
Departure
Jeju City
CJU
Actual
Sep 15
Arrival
Seoul
GMP
Actual
Scheduled 07:15
Sep 15
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
CJUGMP
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 7 min early
CJU → GMP
- 10 min late
CJU → GMP
- 6 min early
CJU → GMP
- 5 min early
CJU → GMP
- 1 min early
CJU → GMP
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 8
- Arrivals over 15 minutes late
- 1
- Observed cancellations
- 0
- Observed occurrences
- 9
Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 15, 2026Arrived | Jeju City | Seoul | -7 | |
| Sep 12, 2026Arrived | Jeju City | Seoul | 10 | |
| Sep 8, 2026Arrived | Jeju City | Seoul | -6 | |
| Sep 5, 2026Arrived | Jeju City | Seoul | -5 | |
| Sep 1, 2026Arrived | Jeju City | Seoul | -1 | |
| Aug 29, 2026Arrived | Jeju City | Seoul | 6 | |
| Aug 25, 2026Arrived | Jeju City | Seoul | -3 | |
| Aug 22, 2026Arrived | Jeju City | Seoul | 35 |