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(DL) Delta Air Lines 2511 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(ROC) Frederick Douglass Greater Rochester Intl Airport

Rochester, NY, US

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
42
68%
Late
3
5%
Very Late
5
8%
Excessive
8
13%
Cancelled
3
5%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
26
Codeshares
0
Average Delay (min.)
44
Standard Deviation
56.9
Min
0
Max
245

DL 2511 On-Time Performance Details

Overall Rating
0.9 of 5
Poor
Percentage On-Time 69%
Average Delay Time 44 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.9 shows that this flight has on-time performance characteristics better than 17% of all other flights in the FlightStats database.
On-Time Performance Rating
0.9 of 5
Poor
Percentage On-Time 69%
This flight has an on-time performance of 69%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 18% of other flights.
Delay Performance
0.9 of 5
Poor
Average Delay Time 44 min
This flight has an average delay of 44 minutes with a standard deviation of 56.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.

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