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(KL) KLM 7439 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(CHS) Charleston International Airport

Charleston, SC, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
17
50%
Late
3
9%
Very Late
8
24%
Excessive
6
18%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
34
Total Delays ( > 1 min )
20
Codeshares
34
Average Delay (min.)
40.1
Standard Deviation
23.9
Min
0
Max
86

KL 7439 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 50%
Average Delay Time 40.1 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 13% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 50%
This flight has an on-time performance of 50%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 40.1 min
This flight has an average delay of 40.1 minutes with a standard deviation of 23.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.