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WanderNerd

Flight Reliability

WN 480 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 480 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

73%
Arrive within 15 minutes
11 min
Average arrival delay
1.9%
Cancelled
2 min
Median arrival delay

Based on 375 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon59%(51 flights)
  • Tue79%(52 flights)
  • Wed71%(52 flights)
  • Thu77%(52 flights)
  • Fri71%(52 flights)
  • Sat79%(56 flights)
  • Sun74%(53 flights)
On-time by departure window
  • 6–9 AM89%(26 flights)
  • 9 AM–12 PM89%(100 flights)
  • 12–3 PM49%(70 flights)
  • 3–6 PM80%(92 flights)
  • 6–9 PM60%(80 flights)
On-time trend by month
61%
May

Jun 57% → May 61% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202557%30
July 202548%31
August 202578%37
September 202576%38
October 202559%27
November 202562%29
December 202587%31
January 202693%29
February 202697%29
March 202685%27
April 202669%29
May 202661%31
Departures on time
68%
Diverted
0%
Flights flown
368
Months covered
12

Based on 375 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.