(WN) Southwest Airlines 423 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(FAT) Fresno Yosemite International Airport

Fresno, CA, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)

On-Time

75%

Late

17%

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.)

25.333333333333332

Standard Deviation

15.3

Min

Max

WN 423 On-Time Performance Details

Overall Rating

3.2 of 5

Average

Percentage On-Time 75%

Average Delay Time 25.333333333333332 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.2 shows that this flight has on-time performance characteristics better than 63% of all other flights in the FlightStats database.

On-Time Performance Rating

3.1 of 5

Average

Percentage On-Time 75%

This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 62% of other flights.

Delay Performance

3.3 of 5

Average

Average Delay Time 25.333333333333332 min

This flight has an average delay of 25.333333333333332 minutes with a standard deviation of 15.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.