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WanderNerd

Flight Reliability

WN 223 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 223 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

72%
Arrive within 15 minutes
10 min
Average arrival delay
1.0%
Cancelled
0 min
Median arrival delay

Based on 505 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon71%(80 flights)
  • Tue66%(58 flights)
  • Wed68%(59 flights)
  • Thu81%(86 flights)
  • Fri77%(83 flights)
  • Sat73%(64 flights)
  • Sun64%(69 flights)
On-time by departure window
  • 3–6 AM93%(14 flights)
  • 6–9 AM92%(65 flights)
  • 9 AM–12 PM81%(79 flights)
  • 12–3 PM74%(118 flights)
  • 3–6 PM50%(58 flights)
  • 6–9 PM67%(92 flights)
  • 9 PM–12 AM62%(73 flights)
On-time trend by month
56%
May

Jun 60% → May 56% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%42
July 202547%43
August 202579%58
September 202587%61
October 202591%35
November 202588%34
December 202582%28
January 202676%29
February 202675%36
March 202656%34
April 202672%47
May 202656%52
Departures on time
64%
Diverted
0.2%
Flights flown
499
Months covered
12

Based on 505 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.