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WanderNerd

Flight Reliability

WN 481 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 481 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

87%
Arrive within 15 minutes
2 min early
Average arrival delay
1.6%
Cancelled
9 min early
Median arrival delay

Based on 370 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon92%(49 flights)
  • Tue91%(43 flights)
  • Wed98%(42 flights)
  • Thu96%(51 flights)
  • Fri88%(50 flights)
  • Sat76%(55 flights)
  • Sun74%(74 flights)
On-time by departure window
  • 6–9 AM97%(185 flights)
  • 9 AM–12 PM93%(41 flights)
  • 12–3 PM61%(33 flights)
  • 3–6 PM68%(28 flights)
  • 6–9 PM75%(77 flights)
On-time trend by month
89%
May

Jun 74% → May 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202574%35
July 202597%34
August 202563%24
September 202591%21
October 202591%44
November 202586%29
December 202568%31
January 202665%17
February 2026100%20
March 2026100%38
April 2026100%35
May 202689%36
Departures on time
84%
Diverted
0%
Flights flown
364
Months covered
12

Based on 370 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.