background

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

Date Range:

15-Jul-2026 to 15-Sep-2026

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(SDF) Louisville Muhammad Ali International Airport

Louisville, KY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
29
97%
Late
1
3%
Very Late
0
0%
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 )
3
Codeshares
0
Average Delay (min.)
10.333333333333334
Standard Deviation
6.7
Min
0
Max
16

DL 1523 On-Time Performance Details

Overall Rating
4.5 of 5
Good
Percentage On-Time 97%
Average Delay Time 10.333333333333334 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.5 shows that this flight has on-time performance characteristics better than 88% 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
3.9 of 5
Good
Average Delay Time 10.333333333333334 min
This flight has an average delay of 10.333333333333334 minutes with a standard deviation of 6.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.

Other Stops for DL 1523