Skip to content
WanderNerd
Check a flight

Flight Reliability

WN 1529 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1529 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

76%
Arrive within 15 minutes
7 min
Average arrival delay
1.5%
Cancelled
2 min early
Median arrival delay

Based on 327 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(49 flights)
  • Tue87%(38 flights)
  • Wed74%(34 flights)
  • Thu74%(49 flights)
  • Fri73%(51 flights)
  • Sat84%(38 flights)
  • Sun73%(63 flights)
On-time by departure window
  • 6–9 AM91%(91 flights)
  • 9 AM–12 PM78%(27 flights)
  • 12–3 PM63%(16 flights)
  • 3–6 PM68%(93 flights)
  • 6–9 PM74%(72 flights)
  • 9 PM–12 AM65%(23 flights)
On-time trend by month
56%
May

Jun 97% → May 56% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%31
July 202591%32
August 202578%27
September 202569%29
October 202580%30
November 202579%19
December 202587%15
January 202680%15
February 202671%31
March 202674%31
April 202660%30
May 202656%32
Departures on time
70%
Diverted
0%
Flights flown
322
Months covered
12

Keep nerding

Based on 327 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.