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WanderNerd

Flight Reliability

WN 1254 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1254 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

84%
Arrive within 15 minutes
3 min
Average arrival delay
1.3%
Cancelled
5 min early
Median arrival delay

Based on 393 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(53 flights)
  • Tue78%(46 flights)
  • Wed94%(48 flights)
  • Thu89%(52 flights)
  • Fri87%(61 flights)
  • Sat81%(53 flights)
  • Sun76%(72 flights)
On-time by departure window
  • 6–9 AM92%(130 flights)
  • 9 AM–12 PM91%(107 flights)
  • 12–3 PM77%(17 flights)
  • 3–6 PM78%(74 flights)
  • 6–9 PM60%(50 flights)
  • 9 PM–12 AM(7 flights)
On-time trend by month
90%
May

Jun 87% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202590%31
August 202587%37
September 202587%38
October 202559%34
November 202588%48
December 202567%27
January 202693%30
February 202688%24
March 202670%27
April 202696%28
May 202690%31
Departures on time
82%
Diverted
0.8%
Flights flown
385
Months covered
12

Based on 393 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.