(WN) Southwest Airlines 423 On-Time Performance Rating

Date Range:

01-Oct-2025 to 30-Nov-2025

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(MDW) Chicago Midway International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)

On-Time

92%

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.)

6.4

Standard Deviation

6.1

Min

Max

WN 423 On-Time Performance Details

Overall Rating

4.6 of 5

Very Good

Percentage On-Time 92%

Average Delay Time 6.4 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.6 shows that this flight has on-time performance characteristics better than 90% of all other flights in the FlightStats database.

On-Time Performance Rating

4.8 of 5

Very Good

Percentage On-Time 92%

This flight has an on-time performance of 92%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.

Delay Performance

4.3 of 5

Good

Average Delay Time 6.4 min

This flight has an average delay of 6.4 minutes with a standard deviation of 6.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 86% of other flights.