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WanderNerd

Flight Reliability

WN 496 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 496 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
4 min
Average arrival delay
1.5%
Cancelled
5 min early
Median arrival delay

Based on 342 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon71%(52 flights)
  • Tue86%(55 flights)
  • Wed80%(56 flights)
  • Thu76%(50 flights)
  • Fri79%(52 flights)
  • Sat58%(26 flights)
  • Sun71%(45 flights)
On-time by departure window
  • 6–9 AM92%(62 flights)
  • 9 AM–12 PM88%(89 flights)
  • 12–3 PM76%(33 flights)
  • 3–6 PM76%(41 flights)
  • 6–9 PM57%(92 flights)
  • 9 PM–12 AM63%(19 flights)
On-time trend by month
62%
May

Jun 83% → May 62% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%23
July 202583%23
August 202580%25
September 202581%26
October 202588%43
November 202574%31
December 202566%32
January 202683%24
February 202689%27
March 202672%29
April 202648%27
May 202662%26
Departures on time
70%
Diverted
0.3%
Flights flown
336
Months covered
12

Based on 342 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.