(WN) Southwest Airlines 528 On-Time Performance Rating

Date Range:

01-Sep-2025 to 31-Oct-2025

(MDW) Chicago Midway International Airport

Chicago, IL, US

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

On-Time Performance Chart

(using rounded numbers)

On-Time

86%

Late

11%

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.)

25.625

Standard Deviation

35.9

Min

Max

111

WN 528 On-Time Performance Details

Overall Rating

3.7 of 5

Good

Percentage On-Time 86%

Average Delay Time 25.625 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.7 shows that this flight has on-time performance characteristics better than 73% of all other flights in the FlightStats database.

On-Time Performance Rating

4.3 of 5

Good

Percentage On-Time 86%

This flight has an on-time performance of 86%. 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

3.1 of 5

Average

Average Delay Time 25.625 min

This flight has an average delay of 25.625 minutes with a standard deviation of 35.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.