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(DL) Delta Air Lines 8559 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(BLQ) Bologna Guglielmo Marconi Airport

Bologna, IT

(CDG) Paris Charles de Gaulle Airport

Paris, FR

On-Time Performance Chart

(using rounded numbers)
On-Time
40
78%
Late
6
12%
Very Late
2
4%
Excessive
2
4%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
51
Total Delays ( > 1 min )
27
Codeshares
51
Average Delay (min.)
15.407407407407407
Standard Deviation
18
Min
0
Max
71

DL 8559 On-Time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 78%
Average Delay Time 15.407407407407407 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 77% of all other flights in the FlightStats database.
On-Time Performance Rating
3.1 of 5
Average
Percentage On-Time 78%
This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 62% of other flights.
Delay Performance
4.7 of 5
Very Good
Average Delay Time 15.407407407407407 min
This flight has an average delay of 15.407407407407407 minutes with a standard deviation of 18 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 95% of other flights.