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WanderNerd

Flight Reliability

WN 1526 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1526 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

83%
Arrive within 15 minutes
4 min
Average arrival delay
1.1%
Cancelled
6 min early
Median arrival delay

Based on 378 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(49 flights)
  • Tue79%(56 flights)
  • Wed95%(56 flights)
  • Thu81%(52 flights)
  • Fri77%(56 flights)
  • Sat81%(52 flights)
  • Sun85%(52 flights)
On-time by departure window
  • 6–9 AM92%(96 flights)
  • 9 AM–12 PM93%(45 flights)
  • 12–3 PM83%(30 flights)
  • 3–6 PM85%(73 flights)
  • 6–9 PM76%(103 flights)
  • 9 PM–12 AM50%(26 flights)
On-time trend by month
88%
May

Jun 97% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%34
July 202590%29
August 202582%27
September 202585%26
October 202582%44
November 202574%42
December 202574%34
January 202674%27
February 202695%19
March 202666%29
April 202693%30
May 202688%32
Departures on time
78%
Diverted
0.3%
Flights flown
373
Months covered
12

Based on 378 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.