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Flight Reliability

WN 522 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 522 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

75%
Arrive within 15 minutes
9 min
Average arrival delay
0.2%
Cancelled
4 min early
Median arrival delay

Based on 435 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon70%(63 flights)
  • Tue88%(60 flights)
  • Wed82%(60 flights)
  • Thu77%(62 flights)
  • Fri70%(66 flights)
  • Sat59%(68 flights)
  • Sun86%(55 flights)
On-time by departure window
  • 3–6 AM—(7 flights)
  • 6–9 AM97%(39 flights)
  • 9 AM–12 PM83%(77 flights)
  • 12–3 PM75%(137 flights)
  • 3–6 PM77%(103 flights)
  • 6–9 PM52%(71 flights)
On-time trend by month
77%
May

Jun 60% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%40
July 202559%46
August 202581%47
September 202592%47
October 202552%23
November 202580%44
December 202578%36
January 202676%33
February 202696%28
March 202671%31
April 202679%28
May 202677%31
Departures on time
71%
Diverted
0%
Flights flown
434
Months covered
12

Keep nerding

Based on 435 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.