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(WN) Southwest Airlines 1321 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(DEN) Denver International Airport

Denver, CO, US

(BNA) Nashville International Airport

Nashville, TN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
12
57%
Late
4
19%
Very Late
3
14%
Excessive
2
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
21
Total Delays ( > 1 min )
13
Codeshares
0
Average Delay (min.)
28
Standard Deviation
24.9
Min
0
Max
92

WN 1321 On-Time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 57%
Average Delay Time 28 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9 shows that this flight has on-time performance characteristics better than 36% of all other flights in the FlightStats database.
On-Time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 57%
This flight has an on-time performance of 57%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 28 min
This flight has an average delay of 28 minutes with a standard deviation of 24.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

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