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(KL) KLM 4139 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(APL) Nampula Airport

Nampula, MZ

(NBO) Nairobi Jomo Kenyatta International Airport

Nairobi, KE

On-Time Performance Chart

(using rounded numbers)
On-Time
30
83%
Late
1
3%
Very Late
1
3%
Excessive
3
8%
Cancelled
1
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
36
Total Delays ( > 1 min )
9
Codeshares
36
Average Delay (min.)
33.55555555555556
Standard Deviation
35.7
Min
0
Max
110

KL 4139 On-Time Performance Details

Overall Rating
3.3 of 5
Average
Percentage On-Time 83%
Average Delay Time 33.55555555555556 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.3 shows that this flight has on-time performance characteristics better than 65% of all other flights in the FlightStats database.
On-Time Performance Rating
4.3 of 5
Good
Percentage On-Time 83%
This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 86% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 33.55555555555556 min
This flight has an average delay of 33.55555555555556 minutes with a standard deviation of 35.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.

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