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(KL) KLM 4140 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(AMS) Amsterdam Schiphol Airport

Amsterdam, NL

(NBO) Nairobi Jomo Kenyatta International Airport

Nairobi, KE

On-Time Performance Chart

(using rounded numbers)
On-Time
30
61%
Late
9
18%
Very Late
7
14%
Excessive
2
4%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
49
Total Delays ( > 1 min )
31
Codeshares
49
Average Delay (min.)
21.64516129032258
Standard Deviation
15.8
Min
0
Max
64

KL 4140 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 61%
Average Delay Time 21.64516129032258 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 45% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 61%
This flight has an on-time performance of 61%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
4.5 of 5
Good
Average Delay Time 21.64516129032258 min
This flight has an average delay of 21.64516129032258 minutes with a standard deviation of 15.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 90% of other flights.