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WanderNerd

Flight Reliability

WN 4524 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 4524 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

86%
Arrive within 15 minutes
2 min early
Average arrival delay
1.7%
Cancelled
9 min early
Median arrival delay

Based on 177 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(26 flights)
  • Tue88%(17 flights)
  • Wed100%(17 flights)
  • Thu92%(26 flights)
  • Fri89%(26 flights)
  • Sat85%(27 flights)
  • Sun74%(35 flights)
On-time by departure window
  • 3–6 AM(5 flights)
  • 6–9 AM(8 flights)
  • 9 AM–12 PM95%(57 flights)
  • 12–3 PM81%(26 flights)
  • 3–6 PM79%(29 flights)
  • 6–9 PM88%(32 flights)
  • 9 PM–12 AM71%(17 flights)
On-time trend by month
90%
May

Oct 82% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
October 202582%17
November 202581%26
December 202582%28
March 202683%18
April 202697%29
May 202690%31
Departures on time
85%
Diverted
0%
Flights flown
174
Months covered
12

Based on 177 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.