background

(KL) KLM 7644 On-Time Performance Rating

Date Range:

01-Oct-2025 to 30-Nov-2025

(BOS) Boston Logan International Airport

Boston, MA, US

(MEM) Memphis International Airport

Memphis, TN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
18
72%
Late
1
4%
Very Late
1
4%
Excessive
3
12%
Cancelled
2
8%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
25
Total Delays ( > 1 min )
12
Codeshares
25
Average Delay (min.)
22.166666666666668
Standard Deviation
23.4
Min
0
Max
64

KL 7644 On-Time Performance Details

Overall Rating
2.7 of 5
Average
Percentage On-Time 72%
Average Delay Time 22.166666666666668 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.7 shows that this flight has on-time performance characteristics better than 52% of all other flights in the FlightStats database.
On-Time Performance Rating
1.5 of 5
Poor
Percentage On-Time 72%
This flight has an on-time performance of 72%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 31% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 22.166666666666668 min
This flight has an average delay of 22.166666666666668 minutes with a standard deviation of 23.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.