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WanderNerd

Flight Reliability

WN 249 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 249 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

77%
Arrive within 15 minutes
7 min
Average arrival delay
0.9%
Cancelled
3 min early
Median arrival delay

Based on 352 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(42 flights)
  • Tue75%(60 flights)
  • Wed75%(60 flights)
  • Thu85%(41 flights)
  • Fri88%(41 flights)
  • Sat88%(43 flights)
  • Sun61%(61 flights)
On-time by departure window
  • 3–6 AM95%(20 flights)
  • 6–9 AM94%(77 flights)
  • 9 AM–12 PM71%(17 flights)
  • 12–3 PM75%(98 flights)
  • 3–6 PM67%(76 flights)
  • 6–9 PM65%(51 flights)
  • 9 PM–12 AM(9 flights)
On-time trend by month
46%
May

Jun 93% → May 46% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%14
July 202550%14
August 202579%29
September 2025100%30
October 202593%30
November 202593%30
December 202563%30
January 202682%34
February 202671%49
March 202671%34
April 202671%28
May 202646%26
Departures on time
74%
Diverted
0.3%
Flights flown
348
Months covered
12

Based on 352 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.