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(KL) KLM 4806 On-Time Performance Rating

Date Range:

01-Jun-2026 to 31-Jul-2026

(LHR) London Heathrow Airport

London, EN, GB

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
36
60%
Late
12
20%
Very Late
4
7%
Excessive
6
10%
Cancelled
2
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
32
Codeshares
60
Average Delay (min.)
27.28125
Standard Deviation
21.7
Min
0
Max
86

KL 4806 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 60%
Average Delay Time 27.28125 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
0.1 of 5
Very Poor
Percentage On-Time 60%
This flight has an on-time performance of 60%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 27.28125 min
This flight has an average delay of 27.28125 minutes with a standard deviation of 21.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.