(WN) Southwest Airlines 509 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(MCI) Kansas City International Airport

Kansas City, MO, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)

On-Time

84%

Late

Very Late

Excessive

14%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

39.142857142857146

Standard Deviation

43.4

Min

Max

147

WN 509 On-Time Performance Details

Overall Rating

2.9 of 5

Average

Percentage On-Time 84%

Average Delay Time 39.142857142857146 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.9 shows that this flight has on-time performance characteristics better than 57% of all other flights in the FlightStats database.

On-Time Performance Rating

4.3 of 5

Good

Percentage On-Time 84%

This flight has an on-time performance of 84%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 86% of other flights.

Delay Performance

1.5 of 5

Poor

Average Delay Time 39.142857142857146 min

This flight has an average delay of 39.142857142857146 minutes with a standard deviation of 43.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 31% of other flights.