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(KL) KLM 5257 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
27
84%
Late
2
6%
Very Late
0
0%
Excessive
0
0%
Cancelled
3
9%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
32
Total Delays ( > 1 min )
5
Codeshares
32
Average Delay (min.)
13.4
Standard Deviation
6.8
Min
0
Max
21

KL 5257 On-Time Performance Details

Overall Rating
4.1 of 5
Good
Percentage On-Time 84%
Average Delay Time 13.4 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.1 shows that this flight has on-time performance characteristics better than 81% of all other flights in the FlightStats database.
On-Time Performance Rating
4.3 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 86% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 13.4 min
This flight has an average delay of 13.4 minutes with a standard deviation of 6.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.

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