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(DL) Delta Air Lines 4911 On-Time Performance Rating

Date Range:

15-Jul-2025 to 15-Sep-2025

(RDU) Raleigh-Durham International Airport

Raleigh/Durham, NC, US

(CVG) Cincinnati/Northern Kentucky International Airport

Cincinnati, OH, US

On-Time Performance Chart

(using rounded numbers)
On-Time
43
81%
Late
1
2%
Very Late
0
0%
Excessive
7
13%
Cancelled
0
0%
Diverted
2
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
51
Total Delays ( > 1 min )
15
Codeshares
51
Average Delay (min.)
61
Standard Deviation
74.6
Min
0
Max
245

DL 4911 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 84%
Average Delay Time 61 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 49% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 84%
This flight has an on-time performance of 84%. 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
0.2 of 5
Very Poor
Average Delay Time 61 min
This flight has an average delay of 61 minutes with a standard deviation of 74.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.

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