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WanderNerd

Flight Reliability

WN 3524 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3524 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

81%
Arrive within 15 minutes
6 min
Average arrival delay
2.9%
Cancelled
5 min early
Median arrival delay

Based on 310 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(51 flights)
  • Tue95%(38 flights)
  • Wed88%(40 flights)
  • Thu78%(50 flights)
  • Fri76%(50 flights)
  • Sat94%(34 flights)
  • Sun66%(38 flights)
On-time by departure window
  • 3–6 AM96%(24 flights)
  • 6–9 AM92%(62 flights)
  • 9 AM–12 PM100%(28 flights)
  • 12–3 PM76%(88 flights)
  • 3–6 PM67%(12 flights)
  • 6–9 PM70%(87 flights)
On-time trend by month
85%
May

Jun 62% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%29
July 202587%30
August 202590%31
September 2025100%30
October 202567%27
November 202574%27
December 202571%28
January 202680%30
February 202689%27
March 202688%16
April 202685%13
May 202685%13
Departures on time
77%
Diverted
0%
Flights flown
301
Months covered
12

Based on 310 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.