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(DL) Delta Air Lines 4991 On-Time Performance Rating

Date Range:

01-Jun-2025 to 31-Jul-2025

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(AEX) Alexandria International Airport

Alexandria, LA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
8
80%
Late
0
0%
Very Late
0
0%
Excessive
1
10%
Cancelled
1
10%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
10
Total Delays ( > 1 min )
2
Codeshares
10
Average Delay (min.)
46.5
Standard Deviation
55.9
Min
0
Max
86

DL 4991 On-Time Performance Details

Overall Rating
3.0 of 5
Average
Percentage On-Time 80%
Average Delay Time 46.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3 shows that this flight has on-time performance characteristics better than 58% of all other flights in the FlightStats database.
On-Time Performance Rating
3.8 of 5
Good
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 76% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 46.5 min
This flight has an average delay of 46.5 minutes with a standard deviation of 55.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.

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