(WN) Southwest Airlines 1138 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(MDW) Chicago Midway International Airport

Chicago, IL, US

(GRR) Grand Rapids Gerald R. Ford International Airport

Grand Rapids, MI, US

On-Time Performance Chart

(using rounded numbers)

On-Time

65%

Late

13%

Very Late

Excessive

17%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

Standard Deviation

44.7

Min

Max

119

WN 1138 On-Time Performance Details

Overall Rating

0.9 of 5

Poor

Percentage On-Time 65%

Average Delay Time 45 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

0.6 of 5

Poor

Percentage On-Time 65%

This flight has an on-time performance of 65%. 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

1.1 of 5

Poor

Average Delay Time 45 min

This flight has an average delay of 45 minutes with a standard deviation of 44.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.