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(DL) Delta Air Lines 8491 On-Time Performance Rating

Date Range:

01-Sep-2026 to 31-Oct-2026

(CDG) Paris Charles de Gaulle Airport

Paris, FR

(TNG) Tangier Ibn Battouta Airport

Tangier, MA

On-Time Performance Chart

(using rounded numbers)
On-Time
16
62%
Late
1
4%
Very Late
4
15%
Excessive
5
19%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
26
Total Delays ( > 1 min )
12
Codeshares
26
Average Delay (min.)
39.583333333333336
Standard Deviation
24.9
Min
0
Max
81

DL 8491 On-Time Performance Details

Overall Rating
0.8 of 5
Poor
Percentage On-Time 62%
Average Delay Time 39.583333333333336 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.8 shows that this flight has on-time performance characteristics better than 14% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 62%
This flight has an on-time performance of 62%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 2% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 39.583333333333336 min
This flight has an average delay of 39.583333333333336 minutes with a standard deviation of 24.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.

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