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Flight Reliability

WN 3236 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3236 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

76%
Arrive within 15 minutes
6 min
Average arrival delay
0.3%
Cancelled
1 min early
Median arrival delay

Based on 374 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon66%(56 flights)
  • Tue75%(55 flights)
  • Wed83%(53 flights)
  • Thu77%(53 flights)
  • Fri82%(56 flights)
  • Sat74%(53 flights)
  • Sun75%(47 flights)
On-time by departure window
  • 3–6 AM—(2 flights)
  • 6–9 AM85%(86 flights)
  • 9 AM–12 PM82%(119 flights)
  • 12–3 PM56%(70 flights)
  • 3–6 PM—(1 flights)
  • 6–9 PM76%(90 flights)
  • 9 PM–12 AM—(5 flights)
On-time trend by month
84%
May

Jun 80% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%46
July 202575%47
August 202574%39
September 202574%39
November 202540%20
December 202559%17
January 202680%30
February 202695%19
March 202676%49
April 202685%34
May 202684%31
Departures on time
73%
Diverted
0%
Flights flown
373
Months covered
12

Keep nerding

Based on 374 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.