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(DL) Delta Air Lines 665 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(ONT) Ontario International Airport

Ontario, CA, US

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
58
94%
Late
2
3%
Very Late
0
0%
Excessive
1
2%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
5
Codeshares
0
Average Delay (min.)
26
Standard Deviation
33.5
Min
0
Max
85

DL 665 On-Time Performance Details

Overall Rating
4.1 of 5
Good
Percentage On-Time 95%
Average Delay Time 26 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.1 shows that this flight has on-time performance characteristics better than 80% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 95%
This flight has an on-time performance of 95%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 26 min
This flight has an average delay of 26 minutes with a standard deviation of 33.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.

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