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(DL) Delta Air Lines 571 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(BOS) Boston Logan International Airport

Boston, MA, US

(SAN) San Diego International Airport

San Diego, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
38
61%
Late
13
21%
Very Late
4
6%
Excessive
5
8%
Cancelled
0
0%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
27
Codeshares
0
Average Delay (min.)
30.925925925925927
Standard Deviation
29.5
Min
0
Max
153

DL 571 On-Time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 63%
Average Delay Time 30.925925925925927 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 63%
This flight has an on-time performance of 63%. 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 30.925925925925927 min
This flight has an average delay of 30.925925925925927 minutes with a standard deviation of 29.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.

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