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(KL) KLM 9557 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(YOW) Ottawa Macdonald-Cartier International Airport

Ottawa, ON, CA

(YYC) Calgary International Airport

Calgary, AB, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
45
79%
Late
8
14%
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
56
Total Delays ( > 1 min )
19
Codeshares
56
Average Delay (min.)
19.68421052631579
Standard Deviation
18.1
Min
0
Max
70

KL 9557 On-Time Performance Details

Overall Rating
4.3 of 5
Good
Percentage On-Time 80%
Average Delay Time 19.68421052631579 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.3 shows that this flight has on-time performance characteristics better than 84% of all other flights in the FlightStats database.
On-Time Performance Rating
4.2 of 5
Good
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 84% of other flights.
Delay Performance
4.3 of 5
Good
Average Delay Time 19.68421052631579 min
This flight has an average delay of 19.68421052631579 minutes with a standard deviation of 18.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 86% of other flights.