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(KL) KLM 6521 On-Time Performance Rating

Date Range:

15-Aug-2025 to 15-Oct-2025

(SNA) John Wayne Airport

Santa Ana, CA, US

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
46
82%
Late
3
5%
Very Late
1
2%
Excessive
5
9%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
55
Total Delays ( > 1 min )
20
Codeshares
55
Average Delay (min.)
23.35
Standard Deviation
26.8
Min
0
Max
81

KL 6521 On-Time Performance Details

Overall Rating
4.2 of 5
Good
Percentage On-Time 84%
Average Delay Time 23.35 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.2 shows that this flight has on-time performance characteristics better than 82% of all other flights in the FlightStats database.
On-Time Performance Rating
4.5 of 5
Good
Percentage On-Time 84%
This flight has an on-time performance of 84%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 90% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 23.35 min
This flight has an average delay of 23.35 minutes with a standard deviation of 26.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.