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

Date Range:

15-Jun-2026 to 15-Aug-2026

(MCO) Orlando International Airport

Orlando, FL, US

(CVG) Cincinnati/Northern Kentucky International Airport

Cincinnati, OH, US

On-Time Performance Chart

(using rounded numbers)
On-Time
43
69%
Late
2
3%
Very Late
1
2%
Excessive
13
21%
Cancelled
2
3%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
21
Codeshares
0
Average Delay (min.)
74.14285714285714
Standard Deviation
74.5
Min
0
Max
286

DL 511 On-Time Performance Details

Overall Rating
1.1 of 5
Poor
Percentage On-Time 71%
Average Delay Time 74.14285714285714 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.1 shows that this flight has on-time performance characteristics better than 20% of all other flights in the FlightStats database.
On-Time Performance Rating
2.1 of 5
Average
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 42% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 74.14285714285714 min
This flight has an average delay of 74.14285714285714 minutes with a standard deviation of 74.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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