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Flight Reliability

WN 575 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 575 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

81%
Arrive within 15 minutes
4 min
Average arrival delay
0.3%
Cancelled
4 min early
Median arrival delay

Based on 336 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(51 flights)
  • Tue90%(51 flights)
  • Wed82%(51 flights)
  • Thu80%(51 flights)
  • Fri86%(51 flights)
  • Sat79%(38 flights)
  • Sun73%(40 flights)
On-time by departure window
  • 3–6 AM100%(31 flights)
  • 6–9 AM89%(85 flights)
  • 9 AM–12 PM75%(32 flights)
  • 12–3 PM76%(70 flights)
  • 3–6 PM89%(26 flights)
  • 6–9 PM78%(46 flights)
  • 9 PM–12 AM65%(43 flights)
On-time trend by month
81%
May

Jun 76% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%21
July 202591%22
August 202593%29
September 202597%30
October 202563%30
November 202568%31
December 202577%30
January 202685%27
February 202678%27
March 202696%26
April 202676%29
May 202681%31
Departures on time
75%
Diverted
0.6%
Flights flown
333
Months covered
12

Keep nerding

Based on 336 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.