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WanderNerd

Flight Reliability

WN 1541 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1541 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

79%
Arrive within 15 minutes
7 min
Average arrival delay
0.3%
Cancelled
3 min early
Median arrival delay

Based on 318 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon86%(51 flights)
  • Tue79%(29 flights)
  • Wed68%(28 flights)
  • Thu76%(55 flights)
  • Fri81%(57 flights)
  • Sat78%(51 flights)
  • Sun80%(45 flights)
On-time by departure window
  • 3–6 AM96%(51 flights)
  • 6–9 AM97%(34 flights)
  • 9 AM–12 PM88%(33 flights)
  • 12–3 PM67%(82 flights)
  • 3–6 PM77%(61 flights)
  • 6–9 PM67%(55 flights)
On-time trend by month
97%
May

Jun 48% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202548%29
July 202567%30
August 202573%30
September 202573%30
October 202583%23
November 202591%21
December 202572%18
January 2026100%30
February 202686%14
March 202668%28
April 202693%29
May 202697%34
Departures on time
73%
Diverted
0.3%
Flights flown
316
Months covered
12

Based on 318 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.