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(WN) Southwest Airlines 581 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

(STS) Charles M. Schulz Sonoma County Airport

Santa Rosa, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
5
42%
Late
3
25%
Very Late
2
17%
Excessive
2
17%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
12
Total Delays ( > 1 min )
10
Codeshares
0
Average Delay (min.)
26.5
Standard Deviation
21.7
Min
0
Max
74

WN 581 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 42%
Average Delay Time 26.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 35% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 42%
This flight has an on-time performance of 42%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 26.5 min
This flight has an average delay of 26.5 minutes with a standard deviation of 21.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.

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