(WN) Southwest Airlines 431 On-Time Performance Rating

Date Range:

01-Oct-2025 to 30-Nov-2025

(MDW) Chicago Midway International Airport

Chicago, IL, US

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

On-Time Performance Chart

(using rounded numbers)

On-Time

91%

Late

Very Late

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

11.75

Standard Deviation

9.7

Min

Max

WN 431 On-Time Performance Details

Overall Rating

4.1 of 5

Good

Percentage On-Time 91%

Average Delay Time 11.75 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.1 shows that this flight has on-time performance characteristics better than 81% of all other flights in the FlightStats database.

On-Time Performance Rating

4.3 of 5

Good

Percentage On-Time 91%

This flight has an on-time performance of 91%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 86% of other flights.

Delay Performance

3.9 of 5

Good

Average Delay Time 11.75 min

This flight has an average delay of 11.75 minutes with a standard deviation of 9.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.