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(DL) Delta Air Lines 1235 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-2025

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
38
67%
Late
4
7%
Very Late
2
4%
Excessive
12
21%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
30
Codeshares
0
Average Delay (min.)
50.36666666666667
Standard Deviation
58.6
Min
0
Max
196

DL 1235 On-Time Performance Details

Overall Rating
1.0 of 5
Poor
Percentage On-Time 68%
Average Delay Time 50.36666666666667 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1 shows that this flight has on-time performance characteristics better than 19% of all other flights in the FlightStats database.
On-Time Performance Rating
1.4 of 5
Poor
Percentage On-Time 68%
This flight has an on-time performance of 68%. 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
0.6 of 5
Poor
Average Delay Time 50.36666666666667 min
This flight has an average delay of 50.36666666666667 minutes with a standard deviation of 58.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.