(WN) Southwest Airlines 3581 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(BOI) Boise Air Terminal

Boise, ID, US

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

On-Time Performance Chart

(using rounded numbers)

On-Time

60%

Late

20%

Very Late

20%

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

28.5

Standard Deviation

3.5

Min

Max

WN 3581 On-Time Performance Details

Overall Rating

1.9 of 5

Average

Percentage On-Time 60%

Average Delay Time 28.5 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

0.8 of 5

Poor

Percentage On-Time 60%

This flight has an on-time performance of 60%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 16% of other flights.

Delay Performance

2.9 of 5

Average

Average Delay Time 28.5 min

This flight has an average delay of 28.5 minutes with a standard deviation of 3.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.