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Flight Reliability

WN 561 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 561 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

73%
Arrive within 15 minutes
13 min
Average arrival delay
0.2%
Cancelled
0 min
Median arrival delay

Based on 438 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(80 flights)
  • Tue80%(51 flights)
  • Wed73%(52 flights)
  • Thu73%(80 flights)
  • Fri73%(84 flights)
  • Sat66%(41 flights)
  • Sun69%(49 flights)
On-time by departure window
  • 3–6 AM—(1 flights)
  • 6–9 AM94%(65 flights)
  • 9 AM–12 PM83%(122 flights)
  • 12–3 PM67%(43 flights)
  • 3–6 PM55%(93 flights)
  • 6–9 PM65%(94 flights)
  • 9 PM–12 AM79%(19 flights)
On-time trend by month
84%
May

Jun 50% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202550%26
July 202526%27
August 202557%37
September 202580%39
October 202597%31
November 202575%52
December 202585%33
January 202674%31
February 202680%25
March 202677%66
April 202677%39
May 202684%31
Departures on time
68%
Diverted
0%
Flights flown
437
Months covered
12

Keep nerding

Based on 438 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.