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(DL) Delta Air Lines 860 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(BOS) Boston Logan International Airport

Boston, MA, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
31
52%
Late
14
23%
Very Late
3
5%
Excessive
11
18%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
41
Codeshares
0
Average Delay (min.)
29.658536585365855
Standard Deviation
24.4
Min
0
Max
107

DL 860 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 53%
Average Delay Time 29.658536585365855 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 40% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 53%
This flight has an on-time performance of 53%. 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
4.1 of 5
Good
Average Delay Time 29.658536585365855 min
This flight has an average delay of 29.658536585365855 minutes with a standard deviation of 24.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.

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