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(DL) Delta Air Lines 8257 On-Time Performance Rating

Date Range:

01-Jun-2026 to 31-Jul-2026

(CDG) Paris Charles de Gaulle Airport

Paris, FR

(SVQ) Seville Airport

Sevilla, SP, ES

On-Time Performance Chart

(using rounded numbers)
On-Time
26
84%
Late
1
3%
Very Late
3
10%
Excessive
1
3%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
31
Total Delays ( > 1 min )
7
Codeshares
31
Average Delay (min.)
28.857142857142858
Standard Deviation
17.7
Min
0
Max
53

DL 8257 On-Time Performance Details

Overall Rating
4.0 of 5
Good
Percentage On-Time 84%
Average Delay Time 28.857142857142858 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
4.6 of 5
Very Good
Percentage On-Time 84%
This flight has an on-time performance of 84%. 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
3.3 of 5
Average
Average Delay Time 28.857142857142858 min
This flight has an average delay of 28.857142857142858 minutes with a standard deviation of 17.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.

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