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(KL) KLM 4591 On-Time Performance Rating

Date Range:

01-Sep-2026 to 31-Oct-2026

(MQP) Kruger Mpumalanga International Airport

Nelspruit, ZA

(JNB) Johannesburg O.R. Tambo International Airport

Johannesburg, ZA

On-Time Performance Chart

(using rounded numbers)
On-Time
38
73%
Late
7
13%
Very Late
3
6%
Excessive
4
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
52
Total Delays ( > 1 min )
28
Codeshares
52
Average Delay (min.)
29.285714285714285
Standard Deviation
50.4
Min
0
Max
247

KL 4591 On-Time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 73%
Average Delay Time 29.285714285714285 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9 shows that this flight has on-time performance characteristics better than 37% of all other flights in the FlightStats database.
On-Time Performance Rating
0.9 of 5
Poor
Percentage On-Time 73%
This flight has an on-time performance of 73%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 18% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 29.285714285714285 min
This flight has an average delay of 29.285714285714285 minutes with a standard deviation of 50.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.

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