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WanderNerd

Flight Reliability

WN 432 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 432 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

80%
Arrive within 15 minutes
5 min
Average arrival delay
0.5%
Cancelled
4 min early
Median arrival delay

Based on 434 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(52 flights)
  • Tue82%(77 flights)
  • Wed86%(78 flights)
  • Thu80%(50 flights)
  • Fri86%(51 flights)
  • Sat79%(52 flights)
  • Sun67%(69 flights)
On-time by departure window
  • 3–6 AM100%(23 flights)
  • 6–9 AM98%(57 flights)
  • 9 AM–12 PM87%(45 flights)
  • 12–3 PM77%(195 flights)
  • 3–6 PM71%(68 flights)
  • 6–9 PM65%(40 flights)
  • 9 PM–12 AM(1 flights)
On-time trend by month
84%
May

Jun 79% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%28
July 202570%33
August 202565%26
September 202573%26
October 202570%30
November 202584%32
December 202584%32
January 202693%70
February 202688%56
March 202674%35
April 202673%30
May 202684%31
Departures on time
76%
Diverted
0.7%
Flights flown
429
Months covered
12

Based on 434 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.