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(WN) Southwest Airlines 4520 On-Time Performance Rating

Date Range:

01-Apr-2025 to 31-May-2025

(DEN) Denver International Airport

Denver, CO, US

(BNA) Nashville International Airport

Nashville, TN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
15
94%
Late
0
0%
Very Late
1
6%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
16
Total Delays ( > 1 min )
1
Codeshares
0
Average Delay (min.)
36
Standard Deviation
0
Min
0
Max
36

WN 4520 On-Time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 94%
Average Delay Time 36 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.5 shows that this flight has on-time performance characteristics better than 69% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 94%
This flight has an on-time performance of 94%. 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
2.3 of 5
Average
Average Delay Time 36 min
This flight has an average delay of 36 minutes with a standard deviation of 0 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.

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