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Flight Reliability

WN 3253 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3253 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

74%
Arrive within 15 minutes
9 min
Average arrival delay
1.6%
Cancelled
2 min early
Median arrival delay

Based on 312 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon72%(46 flights)
  • Tue70%(47 flights)
  • Wed78%(45 flights)
  • Thu81%(41 flights)
  • Fri78%(46 flights)
  • Sat68%(31 flights)
  • Sun71%(49 flights)
On-time by departure window
  • 6–9 AM91%(69 flights)
  • 9 AM–12 PM81%(41 flights)
  • 12–3 PM74%(73 flights)
  • 3–6 PM44%(59 flights)
  • 6–9 PM83%(48 flights)
  • 9 PM–12 AM67%(15 flights)
On-time trend by month
65%
Mar

Jun 48% → Mar 65% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202548%29
July 202550%28
August 202593%27
September 202596%26
October 202585%34
November 202573%30
December 202573%37
January 202676%29
February 202682%28
March 202665%31
Departures on time
69%
Diverted
0.6%
Flights flown
305
Months covered
11

Keep nerding

Based on 312 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.