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(DL) Delta Air Lines 9504 On-Time Performance Rating

Date Range:

01-May-2025 to 30-Jun-2025

(FCO) Rome Leonardo da Vinci Fiumicino Airport

Rome, IT

(AMS) Amsterdam Schiphol Airport

Amsterdam, NL

On-Time Performance Chart

(using rounded numbers)
On-Time
41
72%
Late
11
19%
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
57
Total Delays ( > 1 min )
38
Codeshares
57
Average Delay (min.)
14.026315789473685
Standard Deviation
11.6
Min
0
Max
45

DL 9504 On-Time Performance Details

Overall Rating
3.6 of 5
Good
Percentage On-Time 72%
Average Delay Time 14.026315789473685 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.6 shows that this flight has on-time performance characteristics better than 70% of all other flights in the FlightStats database.
On-Time Performance Rating
2.1 of 5
Average
Percentage On-Time 72%
This flight has an on-time performance of 72%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 42% of other flights.
Delay Performance
5.0 of 5
Very Good
Average Delay Time 14.026315789473685 min
This flight has an average delay of 14.026315789473685 minutes with a standard deviation of 11.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 99% of other flights.

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