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WanderNerd

Flight Reliability

WN 3254 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3254 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

67%
Arrive within 15 minutes
17 min
Average arrival delay
0.3%
Cancelled
3 min
Median arrival delay

Based on 356 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon63%(51 flights)
  • Tue88%(57 flights)
  • Wed82%(56 flights)
  • Thu53%(49 flights)
  • Fri51%(45 flights)
  • Sat49%(49 flights)
  • Sun75%(47 flights)
On-time by departure window
  • 3–6 AM94%(16 flights)
  • 6–9 AM100%(16 flights)
  • 9 AM–12 PM86%(56 flights)
  • 12–3 PM72%(143 flights)
  • 3–6 PM35%(74 flights)
  • 6–9 PM61%(44 flights)
  • 9 PM–12 AM(5 flights)
On-time trend by month
37%
May

Jun 65% → May 37% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202565%34
July 202567%30
August 202574%19
September 202582%17
November 202569%26
December 202568%22
January 202681%43
February 202697%35
March 202671%28
April 202651%47
May 202637%52
Departures on time
61%
Diverted
0.3%
Flights flown
354
Months covered
12

Based on 356 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.