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(KL) KLM 9257 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(GIG) Rio de Janeiro Galeao International Airport

Rio De Janeiro, RJ, BR

(GRU) Sao Paulo-Guarulhos International Airport

Sao Paulo, SP, BR

On-Time Performance Chart

(using rounded numbers)
On-Time
46
90%
Late
3
6%
Very Late
1
2%
Excessive
1
2%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
51
Total Delays ( > 1 min )
11
Codeshares
51
Average Delay (min.)
17.727272727272727
Standard Deviation
15.8
Min
0
Max
51

KL 9257 On-Time Performance Details

Overall Rating
4.6 of 5
Very Good
Percentage On-Time 90%
Average Delay Time 17.727272727272727 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.6 shows that this flight has on-time performance characteristics better than 90% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 90%
This flight has an on-time performance of 90%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 17.727272727272727 min
This flight has an average delay of 17.727272727272727 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 82% of other flights.