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Flight Reliability

WN 254 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 254 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

70%
Arrive within 15 minutes
17 min
Average arrival delay
0.5%
Cancelled
1 min
Median arrival delay

Based on 369 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon59%(51 flights)
  • Tue65%(52 flights)
  • Wed71%(52 flights)
  • Thu73%(51 flights)
  • Fri67%(51 flights)
  • Sat75%(57 flights)
  • Sun77%(52 flights)
On-time by departure window
  • 6–9 AM84%(37 flights)
  • 9 AM–12 PM94%(52 flights)
  • 12–3 PM84%(19 flights)
  • 3–6 PM69%(177 flights)
  • 6–9 PM46%(46 flights)
  • 9 PM–12 AM46%(35 flights)
On-time trend by month
71%
May

Jun 52% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202552%29
July 202543%30
August 202539%31
September 202563%30
October 202590%30
November 202580%30
December 202568%31
January 202684%31
February 202693%28
March 202677%34
April 202677%31
May 202671%31
Departures on time
62%
Diverted
0.3%
Flights flown
366
Months covered
12

Keep nerding

Based on 369 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.