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WanderNerd

Flight Reliability

WN 2436 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2436 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
8 min
Average arrival delay
2.1%
Cancelled
2 min early
Median arrival delay

Based on 374 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(51 flights)
  • Tue88%(50 flights)
  • Wed82%(51 flights)
  • Thu74%(57 flights)
  • Fri75%(60 flights)
  • Sat69%(39 flights)
  • Sun77%(57 flights)
On-time by departure window
  • 6–9 AM95%(64 flights)
  • 9 AM–12 PM100%(24 flights)
  • 12–3 PM84%(109 flights)
  • 3–6 PM76%(46 flights)
  • 6–9 PM58%(105 flights)
  • 9 PM–12 AM53%(17 flights)
On-time trend by month
87%
May

Jun 50% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202550%30
July 202544%27
August 202587%31
September 202597%30
October 202561%31
November 202577%30
December 202590%31
January 202671%21
February 202683%30
March 202680%40
April 202691%33
May 202687%31
Departures on time
69%
Diverted
0.3%
Flights flown
365
Months covered
12

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.