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Flight Reliability

WN 536 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 536 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

87%
Arrive within 15 minutes
0 min
Average arrival delay
0.3%
Cancelled
8 min early
Median arrival delay

Based on 297 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(41 flights)
  • Tue96%(48 flights)
  • Wed90%(49 flights)
  • Thu84%(44 flights)
  • Fri80%(44 flights)
  • Sat91%(35 flights)
  • Sun83%(35 flights)
On-time by departure window
  • 3–6 AM93%(105 flights)
  • 6–9 AM96%(50 flights)
  • 9 AM–12 PM88%(25 flights)
  • 12–3 PM94%(18 flights)
  • 3–6 PM79%(57 flights)
  • 6–9 PM80%(25 flights)
  • 9 PM–12 AM50%(16 flights)
On-time trend by month
92%
May

Jun 88% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202588%24
July 202578%23
August 202588%33
September 202585%34
October 2025100%31
November 202595%19
December 202589%27
January 2026100%29
February 202660%25
April 202676%21
May 202692%26
Departures on time
85%
Diverted
0%
Flights flown
296
Months covered
12

Keep nerding

Based on 297 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.