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(DL) Delta Air Lines 8309 On-Time Performance Rating

Date Range:

01-Jun-2025 to 31-Jul-2025

(KRK) Krakow John Paul II International Airport

Krakow, PL

(CDG) Paris Charles de Gaulle Airport

Paris, FR

On-Time Performance Chart

(using rounded numbers)
On-Time
9
90%
Late
1
10%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
10
Total Delays ( > 1 min )
2
Codeshares
10
Average Delay (min.)
12.5
Standard Deviation
9.2
Min
0
Max
19

DL 8309 On-Time Performance Details

Overall Rating
4.1 of 5
Good
Percentage On-Time 90%
Average Delay Time 12.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.1 shows that this flight has on-time performance characteristics better than 81% of all other flights in the FlightStats database.
On-Time Performance Rating
4.6 of 5
Very Good
Percentage On-Time 90%
This flight has an on-time performance of 90%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 92% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 12.5 min
This flight has an average delay of 12.5 minutes with a standard deviation of 9.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.

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