(WN) Southwest Airlines 311 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(MKE) Milwaukee Mitchell International Airport

Milwaukee, WI, US

(DCA) Ronald Reagan Washington National Airport

Washington, DC, US

On-Time Performance Chart

(using rounded numbers)

On-Time

58%

Late

25%

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.)

17.875

Standard Deviation

14.1

Min

Max

WN 311 On-Time Performance Details

Overall Rating

2.4 of 5

Average

Percentage On-Time 58%

Average Delay Time 17.875 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 46% of all other flights in the FlightStats database.

On-Time Performance Rating

0.6 of 5

Poor

Percentage On-Time 58%

This flight has an on-time performance of 58%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 12% of other flights.

Delay Performance

4.1 of 5

Good

Average Delay Time 17.875 min

This flight has an average delay of 17.875 minutes with a standard deviation of 14.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.