Skip to content
WanderNerd
Check a flight

Flight Reliability

WN 3249 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3249 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
0%
Cancelled
8 min early
Median arrival delay

Based on 292 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(40 flights)
  • Tue92%(48 flights)
  • Wed93%(45 flights)
  • Thu85%(34 flights)
  • Fri79%(34 flights)
  • Sat84%(44 flights)
  • Sun68%(47 flights)
On-time by departure window
  • 6–9 AM97%(60 flights)
  • 9 AM–12 PM91%(91 flights)
  • 12–3 PM88%(48 flights)
  • 3–6 PM—(9 flights)
  • 6–9 PM67%(79 flights)
  • 9 PM–12 AM—(5 flights)
On-time trend by month
93%
May

Jun 67% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%30
July 202587%30
August 202587%39
September 202587%39
October 202570%10
November 202591%11
December 202567%15
January 202679%34
February 202685%26
April 2026100%24
May 202693%30
Departures on time
81%
Diverted
0%
Flights flown
292
Months covered
12

Keep nerding

Based on 292 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.