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(KL) KLM 4251 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(ICN) Seoul Incheon International Airport

Seoul, KR

(NGO) Nagoya Chubu Centrair International Airport

Nagoya, JP

On-Time Performance Chart

(using rounded numbers)
On-Time
44
72%
Late
16
26%
Very Late
1
2%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
50
Codeshares
61
Average Delay (min.)
11.68
Standard Deviation
7.6
Min
0
Max
31

KL 4251 On-Time Performance Details

Overall Rating
3.6 of 5
Good
Percentage On-Time 72%
Average Delay Time 11.68 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.6 shows that this flight has on-time performance characteristics better than 70% of all other flights in the FlightStats database.
On-Time Performance Rating
2.1 of 5
Average
Percentage On-Time 72%
This flight has an on-time performance of 72%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 42% of other flights.
Delay Performance
5.0 of 5
Very Good
Average Delay Time 11.68 min
This flight has an average delay of 11.68 minutes with a standard deviation of 7.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 100% of other flights.