background

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

Date Range:

01-May-2025 to 30-Jun-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
36
58%
Late
13
21%
Very Late
2
3%
Excessive
9
15%
Cancelled
0
0%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
39
Codeshares
0
Average Delay (min.)
35.256410256410255
Standard Deviation
40
Min
0
Max
155

DL 517 On-Time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 60%
Average Delay Time 35.256410256410255 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 29% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 60%
This flight has an on-time performance of 60%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 35.256410256410255 min
This flight has an average delay of 35.256410256410255 minutes with a standard deviation of 40 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.