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(DL) Delta Air Lines 4991 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(LGA) New York LaGuardia Airport

New York, NY, US

(BNA) Nashville International Airport

Nashville, TN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
8
67%
Late
2
17%
Very Late
0
0%
Excessive
1
8%
Cancelled
0
0%
Diverted
1
8%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
11
Total Delays ( > 1 min )
3
Codeshares
11
Average Delay (min.)
41.666666666666664
Standard Deviation
33.2
Min
0
Max
80

DL 4991 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 73%
Average Delay Time 41.666666666666664 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 41% of all other flights in the FlightStats database.
On-Time Performance Rating
2.3 of 5
Average
Percentage On-Time 73%
This flight has an on-time performance of 73%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 46% of other flights.
Delay Performance
1.9 of 5
Average
Average Delay Time 41.666666666666664 min
This flight has an average delay of 41.666666666666664 minutes with a standard deviation of 33.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.

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