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(DL) Delta Air Lines 531 On-Time Performance Rating

Date Range:

01-Nov-2025 to 31-Dec-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
8
62%
Late
0
0%
Very Late
2
15%
Excessive
3
23%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
13
Total Delays ( > 1 min )
9
Codeshares
0
Average Delay (min.)
47.333333333333336
Standard Deviation
45.9
Min
0
Max
119

DL 531 On-Time Performance Details

Overall Rating
1.0 of 5
Poor
Percentage On-Time 62%
Average Delay Time 47.333333333333336 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
0.7 of 5
Poor
Percentage On-Time 62%
This flight has an on-time performance of 62%. 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
1.2 of 5
Poor
Average Delay Time 47.333333333333336 min
This flight has an average delay of 47.333333333333336 minutes with a standard deviation of 45.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.

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