(WN) Southwest Airlines 485 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-2026

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

79%

Late

14%

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.)

16.142857142857142

Standard Deviation

16.8

Min

Max

WN 485 On-Time Performance Details

Overall Rating

3.3 of 5

Average

Percentage On-Time 79%

Average Delay Time 16.142857142857142 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.3 shows that this flight has on-time performance characteristics better than 64% of all other flights in the FlightStats database.

On-Time Performance Rating

2.7 of 5

Average

Percentage On-Time 79%

This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 54% of other flights.

Delay Performance

3.8 of 5

Good

Average Delay Time 16.142857142857142 min

This flight has an average delay of 16.142857142857142 minutes with a standard deviation of 16.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.