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(DL) Delta Air Lines 4640 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(MGM) Montgomery Regional Airport

Montgomery, AL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
40
66%
Late
9
15%
Very Late
3
5%
Excessive
8
13%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
29
Codeshares
60
Average Delay (min.)
37.689655172413794
Standard Deviation
40.8
Min
0
Max
156

DL 4640 On-Time Performance Details

Overall Rating
1.3 of 5
Poor
Percentage On-Time 67%
Average Delay Time 37.689655172413794 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.3 shows that this flight has on-time performance characteristics better than 24% of all other flights in the FlightStats database.
On-Time Performance Rating
0.6 of 5
Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 12% of other flights.
Delay Performance
1.9 of 5
Average
Average Delay Time 37.689655172413794 min
This flight has an average delay of 37.689655172413794 minutes with a standard deviation of 40.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.

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