(WN) Southwest Airlines 1437 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

(SRQ) Sarasota Bradenton International Airport

Sarasota, FL, US

On-Time Performance Chart

(using rounded numbers)

On-Time

50%

Late

Very Late

17%

Excessive

33%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

Standard Deviation

41.8

Min

Max

108

WN 1437 On-Time Performance Details

Overall Rating

1.0 of 5

Poor

Percentage On-Time 50%

Average Delay Time 40 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1 shows that this flight has on-time performance characteristics better than 19% of all other flights in the FlightStats database.

On-Time Performance Rating

0.3 of 5

Very Poor

Percentage On-Time 50%

This flight has an on-time performance of 50%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 5% of other flights.

Delay Performance

1.7 of 5

Average

Average Delay Time 40 min

This flight has an average delay of 40 minutes with a standard deviation of 41.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 34% of other flights.