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(KL) KLM 6637 On-Time Performance Rating

Date Range:

01-Oct-2025 to 30-Nov-2025

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
18
69%
Late
5
19%
Very Late
2
8%
Excessive
1
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
26
Total Delays ( > 1 min )
14
Codeshares
26
Average Delay (min.)
22.357142857142858
Standard Deviation
23.5
Min
0
Max
94

KL 6637 On-Time Performance Details

Overall Rating
2.4 of 5
Average
Percentage On-Time 69%
Average Delay Time 22.357142857142858 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 46% of all other flights in the FlightStats database.
On-Time Performance Rating
0.9 of 5
Poor
Percentage On-Time 69%
This flight has an on-time performance of 69%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 18% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 22.357142857142858 min
This flight has an average delay of 22.357142857142858 minutes with a standard deviation of 23.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.

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