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(DL) Delta Air Lines 4921 On-Time Performance Rating

Date Range:

15-Jul-2025 to 15-Sep-2025

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(CAE) Columbia Metropolitan Airport

Columbia, SC, US

On-Time Performance Chart

(using rounded numbers)
On-Time
14
70%
Late
2
10%
Very Late
2
10%
Excessive
2
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
20
Total Delays ( > 1 min )
7
Codeshares
20
Average Delay (min.)
54.714285714285715
Standard Deviation
51.4
Min
0
Max
133

DL 4921 On-Time Performance Details

Overall Rating
1.1 of 5
Poor
Percentage On-Time 70%
Average Delay Time 54.714285714285715 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.1 shows that this flight has on-time performance characteristics better than 20% of all other flights in the FlightStats database.
On-Time Performance Rating
1.4 of 5
Poor
Percentage On-Time 70%
This flight has an on-time performance of 70%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 27% of other flights.
Delay Performance
0.7 of 5
Poor
Average Delay Time 54.714285714285715 min
This flight has an average delay of 54.714285714285715 minutes with a standard deviation of 51.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 14% of other flights.

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