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(DL) Delta Air Lines 9509 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(FLR) Florence Peretola Airport

Florence, IT

(AMS) Amsterdam Schiphol Airport

Amsterdam, NL

On-Time Performance Chart

(using rounded numbers)
On-Time
29
48%
Late
12
20%
Very Late
11
18%
Excessive
8
13%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
55
Codeshares
61
Average Delay (min.)
24.30909090909091
Standard Deviation
21.5
Min
0
Max
124

DL 9509 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 48%
Average Delay Time 24.30909090909091 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 45% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 48%
This flight has an on-time performance of 48%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
4.6 of 5
Very Good
Average Delay Time 24.30909090909091 min
This flight has an average delay of 24.30909090909091 minutes with a standard deviation of 21.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 92% of other flights.