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(DL) Delta Air Lines 1523 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(SDF) Louisville Muhammad Ali International Airport

Louisville, KY, US

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
29
97%
Late
0
0%
Very Late
1
3%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
30
Total Delays ( > 1 min )
2
Codeshares
0
Average Delay (min.)
17.5
Standard Deviation
21.9
Min
0
Max
33

DL 1523 On-Time Performance Details

Overall Rating
4.3 of 5
Good
Percentage On-Time 97%
Average Delay Time 17.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.3 shows that this flight has on-time performance characteristics better than 84% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 97%
This flight has an on-time performance of 97%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 17.5 min
This flight has an average delay of 17.5 minutes with a standard deviation of 21.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

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