(WN) Southwest Airlines 300 On-Time Performance Rating

Date Range:

01-Sep-2026 to 31-Oct-2026

(MDW) Chicago Midway International Airport

Chicago, IL, US

(PWM) Portland International Jetport

Portland, ME, US

On-Time Performance Chart

(using rounded numbers)

On-Time

77%

Late

Very Late

Excessive

15%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

Standard Deviation

23.5

Min

Max

WN 300 On-Time Performance Details

Overall Rating

2.6 of 5

Average

Percentage On-Time 77%

Average Delay Time 27 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 51% of all other flights in the FlightStats database.

On-Time Performance Rating

2.3 of 5

Average

Percentage On-Time 77%

This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 46% of other flights.

Delay Performance

2.9 of 5

Average

Average Delay Time 27 min

This flight has an average delay of 27 minutes with a standard deviation of 23.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.