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(KL) KLM 5503 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
31
53%
Late
12
21%
Very Late
7
12%
Excessive
8
14%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
58
Total Delays ( > 1 min )
44
Codeshares
58
Average Delay (min.)
27.318181818181817
Standard Deviation
23.6
Min
0
Max
93

KL 5503 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 53%
Average Delay Time 27.318181818181817 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 41% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 53%
This flight has an on-time performance of 53%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
4.2 of 5
Good
Average Delay Time 27.318181818181817 min
This flight has an average delay of 27.318181818181817 minutes with a standard deviation of 23.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.