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(DL) Delta Air Lines 517 On-Time Performance Rating

Date Range:

01-Apr-2025 to 31-May-2025

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
43
72%
Late
8
13%
Very Late
3
5%
Excessive
6
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
33
Codeshares
0
Average Delay (min.)
25.484848484848484
Standard Deviation
27.7
Min
0
Max
113

DL 517 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 72%
Average Delay Time 25.484848484848484 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 44% of all other flights in the FlightStats database.
On-Time Performance Rating
0.7 of 5
Poor
Percentage On-Time 72%
This flight has an on-time performance of 72%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 14% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 25.484848484848484 min
This flight has an average delay of 25.484848484848484 minutes with a standard deviation of 27.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.