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(KL) KLM 5257 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
17
61%
Late
0
0%
Very Late
3
11%
Excessive
4
14%
Cancelled
3
11%
Diverted
1
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
27
Total Delays ( > 1 min )
14
Codeshares
27
Average Delay (min.)
29.714285714285715
Standard Deviation
28.7
Min
0
Max
95

KL 5257 On-Time Performance Details

Overall Rating
1.7 of 5
Average
Percentage On-Time 63%
Average Delay Time 29.714285714285715 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.7 shows that this flight has on-time performance characteristics better than 32% of all other flights in the FlightStats database.
On-Time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 63%
This flight has an on-time performance of 63%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 29.714285714285715 min
This flight has an average delay of 29.714285714285715 minutes with a standard deviation of 28.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.

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