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(DL) Delta Air Lines 8399 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(CDG) Paris Charles de Gaulle Airport

Paris, FR

(BIQ) Biarritz Pays Basque Airport

Biarritz, FR

On-Time Performance Chart

(using rounded numbers)
On-Time
5
71%
Late
2
29%
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
7
Total Delays ( > 1 min )
6
Codeshares
7
Average Delay (min.)
11.833333333333334
Standard Deviation
9.1
Min
0
Max
27

DL 8399 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 71%
Average Delay Time 11.833333333333334 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 54% of all other flights in the FlightStats database.
On-Time Performance Rating
1.4 of 5
Poor
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 27% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 11.833333333333334 min
This flight has an average delay of 11.833333333333334 minutes with a standard deviation of 9.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.

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