background

(DL) Delta Air Lines 1257 On-Time Performance Rating

Date Range:

15-Aug-2020 to 15-Oct-2020

(ATL) Hartsfield-Jackson Atlanta International Airport

Atlanta, GA, US

(CLE) Cleveland Hopkins International Airport

Cleveland, OH, US

On-Time Performance Chart

(using rounded numbers)
On-Time
37
79%
Late
2
4%
Very Late
3
6%
Excessive
5
11%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
47
Total Delays ( > 1 min )
13
Codeshares
0
Average Delay (min.)
36
Standard Deviation
30.9
Min
0
Max
120

DL 1257 On-Time Performance Details

Overall Rating
1.2 of 5
Poor
Percentage On-Time 79%
Average Delay Time 36 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.2 shows that this flight has on-time performance characteristics better than 22% of all other flights in the FlightStats database.
On-Time Performance Rating
0.4 of 5
Very Poor
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 8% of other flights.
Delay Performance
1.9 of 5
Average
Average Delay Time 36 min
This flight has an average delay of 36 minutes with a standard deviation of 30.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.