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(KL) KLM 4817 On-Time Performance Rating

Date Range:

01-Apr-2025 to 31-May-2025

(IAD) Washington Dulles International Airport

Dulles, VA, US

(LHR) London Heathrow Airport

London, EN, GB

On-Time Performance Chart

(using rounded numbers)
On-Time
42
70%
Late
7
12%
Very Late
3
5%
Excessive
7
12%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
36
Codeshares
60
Average Delay (min.)
28.75
Standard Deviation
40.2
Min
0
Max
210

KL 4817 On-Time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 70%
Average Delay Time 28.75 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9 shows that this flight has on-time performance characteristics better than 37% of all other flights in the FlightStats database.
On-Time Performance Rating
0.5 of 5
Very Poor
Percentage On-Time 70%
This flight has an on-time performance of 70%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 10% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 28.75 min
This flight has an average delay of 28.75 minutes with a standard deviation of 40.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.