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(KL) KLM 4187 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(ZNZ) Abeid Amani Karume International Airport

Zanzibar, TZ

(NBO) Nairobi Jomo Kenyatta International Airport

Nairobi, KE

On-Time Performance Chart

(using rounded numbers)
On-Time
30
70%
Late
1
2%
Very Late
2
5%
Excessive
6
14%
Cancelled
4
9%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
43
Total Delays ( > 1 min )
9
Codeshares
43
Average Delay (min.)
137.33333333333334
Standard Deviation
148
Min
0
Max
500

KL 4187 On-Time Performance Details

Overall Rating
0.3 of 5
Very Poor
Percentage On-Time 70%
Average Delay Time 137.33333333333334 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.3 shows that this flight has on-time performance characteristics better than 5% of all other flights in the FlightStats database.
On-Time Performance Rating
0.6 of 5
Poor
Percentage On-Time 70%
This flight has an on-time performance of 70%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 12% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 137.33333333333334 min
This flight has an average delay of 137.33333333333334 minutes with a standard deviation of 148 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.