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(DL) Delta Air Lines 511 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(CVG) Cincinnati/Northern Kentucky International Airport

Cincinnati, OH, US

(MCO) Orlando International Airport

Orlando, FL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
52
85%
Late
2
3%
Very Late
1
2%
Excessive
4
7%
Cancelled
2
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
18
Codeshares
0
Average Delay (min.)
31.27777777777778
Standard Deviation
48.4
Min
0
Max
180

DL 511 On-Time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 85%
Average Delay Time 31.27777777777778 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 76% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 31.27777777777778 min
This flight has an average delay of 31.27777777777778 minutes with a standard deviation of 48.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.