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(KL) KLM 6639 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(BGR) Bangor International Airport

Bangor, ME, US

(JFK) New York John F. Kennedy International Airport

New York, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
37
74%
Late
2
4%
Very Late
1
2%
Excessive
6
12%
Cancelled
3
6%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
49
Total Delays ( > 1 min )
12
Codeshares
49
Average Delay (min.)
81.33333333333333
Standard Deviation
112.2
Min
0
Max
404

KL 6639 On-Time Performance Details

Overall Rating
1.2 of 5
Poor
Percentage On-Time 76%
Average Delay Time 81.33333333333333 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.2 shows that this flight has on-time performance characteristics better than 22% of all other flights in the FlightStats database.
On-Time Performance Rating
2.3 of 5
Average
Percentage On-Time 76%
This flight has an on-time performance of 76%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 46% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 81.33333333333333 min
This flight has an average delay of 81.33333333333333 minutes with a standard deviation of 112.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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