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Flight Reliability

WN 534 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 534 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

71%
Arrive within 15 minutes
11 min
Average arrival delay
1.2%
Cancelled
1 min
Median arrival delay

Based on 429 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon61%(61 flights)
  • Tue81%(59 flights)
  • Wed79%(61 flights)
  • Thu66%(61 flights)
  • Fri71%(59 flights)
  • Sat89%(52 flights)
  • Sun56%(71 flights)
On-time by departure window
  • 6–9 AM88%(48 flights)
  • 9 AM–12 PM82%(28 flights)
  • 12–3 PM79%(152 flights)
  • 3–6 PM70%(82 flights)
  • 6–9 PM54%(57 flights)
  • 9 PM–12 AM49%(57 flights)
On-time trend by month
89%
May

Jun 65% → May 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202565%48
July 202548%44
August 202549%33
September 202570%30
October 202574%35
November 202585%26
December 202566%29
January 202687%30
February 202675%28
March 202674%35
April 202679%42
May 202689%44
Departures on time
64%
Diverted
0%
Flights flown
424
Months covered
12

Keep nerding

Based on 429 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.