background

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

Date Range:

01-Dec-2025 to 31-Jan-2026

(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
35
81%
Late
3
7%
Very Late
0
0%
Excessive
2
5%
Cancelled
2
5%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
42
Total Delays ( > 1 min )
12
Codeshares
42
Average Delay (min.)
28.5
Standard Deviation
44.1
Min
0
Max
139

DL 4991 On-Time Performance Details

Overall Rating
4.0 of 5
Good
Percentage On-Time 83%
Average Delay Time 28.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4 shows that this flight has on-time performance characteristics better than 79% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 83%
This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 93% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 28.5 min
This flight has an average delay of 28.5 minutes with a standard deviation of 44.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.

Other Stops for DL 4991