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(KL) KLM 4584 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(JNB) Johannesburg O.R. Tambo International Airport

Johannesburg, ZA

(PLZ) Chief Dawid Stuurman International Airport

Port Elizabeth, ZA

On-Time Performance Chart

(using rounded numbers)
On-Time
33
77%
Late
7
16%
Very Late
1
2%
Excessive
2
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
43
Total Delays ( > 1 min )
29
Codeshares
43
Average Delay (min.)
12.137931034482758
Standard Deviation
13
Min
0
Max
50

KL 4584 On-Time Performance Details

Overall Rating
3.6 of 5
Good
Percentage On-Time 77%
Average Delay Time 12.137931034482758 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 71% of all other flights in the FlightStats database.
On-Time Performance Rating
2.3 of 5
Average
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 46% of other flights.
Delay Performance
4.9 of 5
Very Good
Average Delay Time 12.137931034482758 min
This flight has an average delay of 12.137931034482758 minutes with a standard deviation of 13 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 97% of other flights.

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