(WN) Southwest Airlines 1543 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(DEN) Denver International Airport

Denver, CO, US

(HOU) Houston Hobby Airport

Houston, TX, 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.)

11.5

Standard Deviation

3.5

Min

Max

WN 1543 On-Time Performance Details

Overall Rating

3.9 of 5

Good

Percentage On-Time 100%

Average Delay Time 11.5 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 76% of all other flights in the FlightStats database.

On-Time Performance Rating

4.1 of 5

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 82% of other flights.

Delay Performance

3.6 of 5

Good

Average Delay Time 11.5 min

This flight has an average delay of 11.5 minutes with a standard deviation of 3.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.