(WN) Southwest Airlines 657 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(SAN) San Diego International Airport

San Diego, CA, US

(MDW) Chicago Midway International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)

On-Time

29%

Late

21%

Very Late

17%

Excessive

33%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

38.22727272727273

Standard Deviation

31.4

Min

Max

117

WN 657 On-Time Performance Details

Overall Rating

0.9 of 5

Poor

Percentage On-Time 29%

Average Delay Time 38.22727272727273 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.9 shows that this flight has on-time performance characteristics better than 16% of all other flights in the FlightStats database.

On-Time Performance Rating

0.0 of 5

Very Poor

Percentage On-Time 29%

This flight has an on-time performance of 29%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.

Delay Performance

1.7 of 5

Average

Average Delay Time 38.22727272727273 min

This flight has an average delay of 38.22727272727273 minutes with a standard deviation of 31.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 34% of other flights.