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(KL) KLM 6421 On-Time Performance Rating

Date Range:

01-May-2025 to 30-Jun-2025

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
43
80%
Late
5
9%
Very Late
1
2%
Excessive
5
9%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
54
Total Delays ( > 1 min )
22
Codeshares
54
Average Delay (min.)
29.5
Standard Deviation
34.6
Min
0
Max
119

KL 6421 On-Time Performance Details

Overall Rating
3.8 of 5
Good
Percentage On-Time 80%
Average Delay Time 29.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.8 shows that this flight has on-time performance characteristics better than 75% of all other flights in the FlightStats database.
On-Time Performance Rating
4.1 of 5
Good
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 82% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 29.5 min
This flight has an average delay of 29.5 minutes with a standard deviation of 34.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

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