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Flight Reliability

WN 1525 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1525 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

78%
Arrive within 15 minutes
7 min
Average arrival delay
0.3%
Cancelled
2 min early
Median arrival delay

Based on 328 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(40 flights)
  • Tue80%(49 flights)
  • Wed80%(49 flights)
  • Thu75%(40 flights)
  • Fri85%(40 flights)
  • Sat90%(41 flights)
  • Sun62%(68 flights)
On-time by departure window
  • 3–6 AM100%(24 flights)
  • 6–9 AM96%(77 flights)
  • 9 AM–12 PM94%(18 flights)
  • 12–3 PM86%(49 flights)
  • 3–6 PM68%(75 flights)
  • 6–9 PM56%(59 flights)
  • 9 PM–12 AM56%(25 flights)
On-time trend by month
100%
May

Jun 60% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%30
July 202568%25
August 202585%27
September 2025100%26
October 202592%39
November 202570%30
December 202565%31
January 202686%14
February 202669%16
March 202650%28
April 202687%30
May 2026100%31
Departures on time
74%
Diverted
0%
Flights flown
327
Months covered
12

Keep nerding

Based on 328 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.