background

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

Date Range:

01-Aug-2026 to 30-Sep-2026

(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
17
46%
Late
4
11%
Very Late
7
19%
Excessive
9
24%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
37
Total Delays ( > 1 min )
33
Codeshares
0
Average Delay (min.)
36.75757575757576
Standard Deviation
43
Min
0
Max
203

DL 517 On-Time Performance Details

Overall Rating
1.0 of 5
Poor
Percentage On-Time 46%
Average Delay Time 36.75757575757576 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 18% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 46%
This flight has an on-time performance of 46%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
1.9 of 5
Average
Average Delay Time 36.75757575757576 min
This flight has an average delay of 36.75757575757576 minutes with a standard deviation of 43 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.

Other Stops for DL 517