(WN) Southwest Airlines 454 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(MDW) Chicago Midway International Airport

Chicago, IL, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

54%

Late

17%

Very Late

Excessive

25%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

37.23529411764706

Standard Deviation

37.4

Min

Max

126

WN 454 On-Time Performance Details

Overall Rating

1.0 of 5

Poor

Percentage On-Time 54%

Average Delay Time 37.23529411764706 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1 shows that this flight has on-time performance characteristics better than 18% of all other flights in the FlightStats database.

On-Time Performance Rating

0.0 of 5

Very Poor

Percentage On-Time 54%

This flight has an on-time performance of 54%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.

Delay Performance

1.9 of 5

Average

Average Delay Time 37.23529411764706 min

This flight has an average delay of 37.23529411764706 minutes with a standard deviation of 37.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.