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(KL) KLM 4597 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(NLA) Ndola Simon Mwansa Kapwepwe International Airport

Ndola, ZM

(JNB) Johannesburg O.R. Tambo International Airport

Johannesburg, ZA

On-Time Performance Chart

(using rounded numbers)
On-Time
39
80%
Late
6
12%
Very Late
1
2%
Excessive
2
4%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
48
Total Delays ( > 1 min )
19
Codeshares
48
Average Delay (min.)
16.789473684210527
Standard Deviation
17.2
Min
0
Max
63

KL 4597 On-Time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 81%
Average Delay Time 16.789473684210527 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 77% of all other flights in the FlightStats database.
On-Time Performance Rating
3.5 of 5
Average
Percentage On-Time 81%
This flight has an on-time performance of 81%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 69% of other flights.
Delay Performance
4.3 of 5
Good
Average Delay Time 16.789473684210527 min
This flight has an average delay of 16.789473684210527 minutes with a standard deviation of 17.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 86% of other flights.

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