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(WN) Southwest Airlines 420 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(BNA) Nashville International Airport

Nashville, TN, US

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

On-Time Performance Chart

(using rounded numbers)
On-Time
23
70%
Late
5
15%
Very Late
0
0%
Excessive
5
15%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
33
Total Delays ( > 1 min )
13
Codeshares
0
Average Delay (min.)
41.53846153846154
Standard Deviation
42.2
Min
0
Max
154

WN 420 On-Time Performance Details

Overall Rating
1.0 of 5
Poor
Percentage On-Time 70%
Average Delay Time 41.53846153846154 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1 shows that this flight has on-time performance characteristics better than 19% of all other flights in the FlightStats database.
On-Time Performance Rating
0.6 of 5
Poor
Percentage On-Time 70%
This flight has an on-time performance of 70%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 12% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 41.53846153846154 min
This flight has an average delay of 41.53846153846154 minutes with a standard deviation of 42.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.

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