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Flight Reliability

WN 329 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 329 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

84%
Arrive within 15 minutes
1 min
Average arrival delay
0.3%
Cancelled
8 min early
Median arrival delay

Based on 373 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon87%(53 flights)
  • Tue90%(59 flights)
  • Wed89%(61 flights)
  • Thu76%(54 flights)
  • Fri90%(49 flights)
  • Sat88%(43 flights)
  • Sun71%(52 flights)
On-time by departure window
  • 6–9 AM96%(153 flights)
  • 9 AM–12 PM88%(41 flights)
  • 12–3 PM93%(53 flights)
  • 3–6 PM68%(68 flights)
  • 6–9 PM61%(46 flights)
  • 9 PM–12 AM70%(10 flights)
On-time trend by month
90%
May

Jun 57% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202557%28
July 202567%27
August 2025100%19
September 2025100%17
October 202584%31
November 202595%38
December 202580%45
January 202697%32
February 202696%28
March 202672%43
April 202688%33
May 202690%30
Departures on time
83%
Diverted
0.3%
Flights flown
371
Months covered
12

Keep nerding

Based on 373 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.