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(DL) Delta Air Lines 1511 On-Time Performance Rating

Date Range:

15-Aug-2025 to 15-Oct-2025

(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
52
84%
Late
2
3%
Very Late
2
3%
Excessive
4
6%
Cancelled
0
0%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
12
Codeshares
0
Average Delay (min.)
43.5
Standard Deviation
49.3
Min
0
Max
176

DL 1511 On-Time Performance Details

Overall Rating
2.9 of 5
Average
Percentage On-Time 87%
Average Delay Time 43.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.9 shows that this flight has on-time performance characteristics better than 57% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 87%
This flight has an on-time performance of 87%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 97% of other flights.
Delay Performance
0.9 of 5
Poor
Average Delay Time 43.5 min
This flight has an average delay of 43.5 minutes with a standard deviation of 49.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.