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

Date Range:

15-Jun-2026 to 15-Aug-2026

(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
20
77%
Late
2
8%
Very Late
1
4%
Excessive
3
12%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
26
Total Delays ( > 1 min )
16
Codeshares
26
Average Delay (min.)
21.25
Standard Deviation
25.1
Min
0
Max
88

DL 8309 On-Time Performance Details

Overall Rating
4.0 of 5
Good
Percentage On-Time 77%
Average Delay Time 21.25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4 shows that this flight has on-time performance characteristics better than 78% of all other flights in the FlightStats database.
On-Time Performance Rating
3.6 of 5
Good
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 73% of other flights.
Delay Performance
4.3 of 5
Good
Average Delay Time 21.25 min
This flight has an average delay of 21.25 minutes with a standard deviation of 25.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 86% of other flights.

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