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(DL) Delta Air Lines 921 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(DFW) Dallas Fort Worth International Airport

Dallas, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
48
77%
Late
2
3%
Very Late
4
6%
Excessive
7
11%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
28
Codeshares
0
Average Delay (min.)
31.25
Standard Deviation
48.3
Min
0
Max
225

DL 921 On-Time Performance Details

Overall Rating
3.4 of 5
Average
Percentage On-Time 79%
Average Delay Time 31.25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.4 shows that this flight has on-time performance characteristics better than 66% of all other flights in the FlightStats database.
On-Time Performance Rating
3.8 of 5
Good
Percentage On-Time 79%
This flight has an on-time performance of 79%. 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
2.9 of 5
Average
Average Delay Time 31.25 min
This flight has an average delay of 31.25 minutes with a standard deviation of 48.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.

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