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(KL) KLM 6639 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(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
44
71%
Late
3
5%
Very Late
3
5%
Excessive
5
8%
Cancelled
6
10%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
17
Codeshares
61
Average Delay (min.)
45.294117647058826
Standard Deviation
50.4
Min
0
Max
177

KL 6639 On-Time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 72%
Average Delay Time 45.294117647058826 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 29% of all other flights in the FlightStats database.
On-Time Performance Rating
1.9 of 5
Average
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 38% of other flights.
Delay Performance
1.1 of 5
Poor
Average Delay Time 45.294117647058826 min
This flight has an average delay of 45.294117647058826 minutes with a standard deviation of 50.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.