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(KL) KLM 4239 On-Time Performance Rating

Date Range:

15-Feb-2025 to 15-Apr-2025

(DAR) Dar es Salaam Julius Nyerere International Airport

Dar Es Salaam, TZ

(NBO) Nairobi Jomo Kenyatta International Airport

Nairobi, KE

On-Time Performance Chart

(using rounded numbers)
On-Time
53
87%
Late
0
0%
Very Late
2
3%
Excessive
3
5%
Cancelled
3
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
13
Codeshares
61
Average Delay (min.)
30.53846153846154
Standard Deviation
43.5
Min
0
Max
157

KL 4239 On-Time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 87%
Average Delay Time 30.53846153846154 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.5 shows that this flight has on-time performance characteristics better than 69% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 87%
This flight has an on-time performance of 87%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 95% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 30.53846153846154 min
This flight has an average delay of 30.53846153846154 minutes with a standard deviation of 43.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.