(WN) Southwest Airlines 1911 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(DSM) Des Moines International Airport

Des Moines, IA, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)

On-Time

93%

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.)

17.166666666666668

Standard Deviation

26.5

Min

Max

WN 1911 On-Time Performance Details

Overall Rating

4.4 of 5

Good

Percentage On-Time 93%

Average Delay Time 17.166666666666668 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.4 shows that this flight has on-time performance characteristics better than 86% of all other flights in the FlightStats database.

On-Time Performance Rating

4.9 of 5

Very Good

Percentage On-Time 93%

This flight has an on-time performance of 93%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.

Delay Performance

3.8 of 5

Good

Average Delay Time 17.166666666666668 min

This flight has an average delay of 17.166666666666668 minutes with a standard deviation of 26.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.