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WanderNerd

Flight Reliability

WN 3179 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3179 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

80%
Arrive within 15 minutes
7 min
Average arrival delay
0.8%
Cancelled
7 min early
Median arrival delay

Based on 261 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon90%(29 flights)
  • Tue80%(45 flights)
  • Wed81%(47 flights)
  • Thu83%(30 flights)
  • Fri88%(24 flights)
  • Sat63%(41 flights)
  • Sun84%(43 flights)
On-time by departure window
  • 3–6 AM91%(42 flights)
  • 6–9 AM91%(32 flights)
  • 9 AM–12 PM73%(15 flights)
  • 12–3 PM73%(84 flights)
  • 3–6 PM67%(18 flights)
  • 6–9 PM84%(68 flights)
On-time trend by month
90%
May

Jun 77% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%30
July 202583%29
August 202581%16
September 2025100%13
October 202590%31
November 202557%14
December 202575%16
January 202689%28
February 202689%18
March 202665%40
April 202679%14
May 202690%10
Departures on time
79%
Diverted
0%
Flights flown
259
Months covered
12

Based on 261 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.