(WN) Southwest Airlines 1440 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(BOS) Boston Logan International Airport

Boston, MA, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, 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.)

8.333333333333334

Standard Deviation

5.5

Min

Max

WN 1440 On-Time Performance Details

Overall Rating

4.5 of 5

Good

Percentage On-Time 100%

Average Delay Time 8.333333333333334 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.5 shows that this flight has on-time performance characteristics better than 89% of all other flights in the FlightStats database.

On-Time Performance Rating

4.9 of 5

Very 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 99% of other flights.

Delay Performance

4.1 of 5

Good

Average Delay Time 8.333333333333334 min

This flight has an average delay of 8.333333333333334 minutes with a standard deviation of 5.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.