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(KL) KLM 2511 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-2026

(JFK) New York John F. Kennedy International Airport

New York, NY, US

(LHR) London Heathrow Airport

London, EN, GB

On-Time Performance Chart

(using rounded numbers)
On-Time
37
71%
Late
5
10%
Very Late
3
6%
Excessive
6
12%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
52
Total Delays ( > 1 min )
22
Codeshares
52
Average Delay (min.)
29.90909090909091
Standard Deviation
26.4
Min
0
Max
104

KL 2511 On-Time Performance Details

Overall Rating
1.7 of 5
Average
Percentage On-Time 71%
Average Delay Time 29.90909090909091 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.7 shows that this flight has on-time performance characteristics better than 32% of all other flights in the FlightStats database.
On-Time Performance Rating
0.6 of 5
Poor
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 12% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 29.90909090909091 min
This flight has an average delay of 29.90909090909091 minutes with a standard deviation of 26.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.

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