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(DL) Delta Air Lines 4949 On-time Performance Rating

Date Range:

01-Aug-2018 to 30-Sep-2018

(BNA) Nashville International Airport

Nashville, TN, US

(LGA) LaGuardia Airport

New York, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
18
86%
Late
1
5%
Very Late
1
5%
Excessive
0
0%
Cancelled
0
0%
Diverted
1
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
20
Total Delays ( > 1 min )
4
Codeshares
20
Average Delay (min.)
21
Standard Deviation
15.1
Min
11
Max
44

DL 4949 On-time Performance Details

Overall Rating
4.0 of 5
Good
Percentage On-Time 90%
Average Delay Time 21 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4 shows that this flight has on-time performance characteristics better than 79% of all other flights in the FlightStats database.
On-time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 90%
This flight has an on-time performance of 90%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 95% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 21 min
This flight has an average delay of 21 minutes with a standard deviation of 15.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.