(WN) Southwest Airlines 1131 On-Time Performance Rating

Date Range:

01-Jun-2026 to 31-Jul-2026

(GRR) Grand Rapids Gerald R. Ford International Airport

Grand Rapids, MI, US

(MDW) Chicago Midway International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)

On-Time

100%

Late

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.)

Standard Deviation

Min

Max

WN 1131 On-Time Performance Details

Overall Rating

3.7 of 5

Good

Percentage On-Time 100%

Average Delay Time 11 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 72% of all other flights in the FlightStats database.

On-Time Performance Rating

3.8 of 5

Good

Percentage On-Time 100%

This flight has an on-time performance of 100%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 76% of other flights.

Delay Performance

3.5 of 5

Average

Average Delay Time 11 min

This flight has an average delay of 11 minutes with a standard deviation of 0 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.