background

(KL) KLM 9257 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-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
32
74%
Late
8
19%
Very Late
1
2%
Excessive
2
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
43
Total Delays ( > 1 min )
20
Codeshares
43
Average Delay (min.)
27.75
Standard Deviation
58.2
Min
0
Max
270

KL 9257 On-Time Performance Details

Overall Rating
3.3 of 5
Average
Percentage On-Time 74%
Average Delay Time 27.75 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 64% of all other flights in the FlightStats database.
On-Time Performance Rating
2.9 of 5
Average
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 58% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 27.75 min
This flight has an average delay of 27.75 minutes with a standard deviation of 58.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.