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(KL) KLM 4642 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(JNB) Johannesburg O.R. Tambo International Airport

Johannesburg, ZA

(NLA) Ndola Simon Mwansa Kapwepwe International Airport

Ndola, ZM

On-Time Performance Chart

(using rounded numbers)
On-Time
46
74%
Late
6
10%
Very Late
4
6%
Excessive
5
8%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
41
Codeshares
61
Average Delay (min.)
18.48780487804878
Standard Deviation
22.3
Min
0
Max
124

KL 4642 On-Time Performance Details

Overall Rating
4.1 of 5
Good
Percentage On-Time 75%
Average Delay Time 18.48780487804878 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.1 shows that this flight has on-time performance characteristics better than 80% of all other flights in the FlightStats database.
On-Time Performance Rating
3.3 of 5
Average
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 66% of other flights.
Delay Performance
4.8 of 5
Very Good
Average Delay Time 18.48780487804878 min
This flight has an average delay of 18.48780487804878 minutes with a standard deviation of 22.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 96% of other flights.