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(KL) KLM 6509 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(SMF) Sacramento International Airport

Sacramento, CA, US

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
48
91%
Late
1
2%
Very Late
1
2%
Excessive
2
4%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
52
Total Delays ( > 1 min )
11
Codeshares
52
Average Delay (min.)
22.09090909090909
Standard Deviation
25.6
Min
0
Max
86

KL 6509 On-Time Performance Details

Overall Rating
4.4 of 5
Good
Percentage On-Time 92%
Average Delay Time 22.09090909090909 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.4 shows that this flight has on-time performance characteristics better than 87% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 92%
This flight has an on-time performance of 92%. 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
3.8 of 5
Good
Average Delay Time 22.09090909090909 min
This flight has an average delay of 22.09090909090909 minutes with a standard deviation of 25.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.