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WanderNerd

Flight Reliability

WN 179 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 179 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

85%
Arrive within 15 minutes
2 min early
Average arrival delay
0.3%
Cancelled
9 min early
Median arrival delay

Based on 393 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(53 flights)
  • Tue90%(62 flights)
  • Wed89%(62 flights)
  • Thu78%(54 flights)
  • Fri85%(58 flights)
  • Sat88%(42 flights)
  • Sun79%(61 flights)
On-time by departure window
  • 3–6 AM88%(33 flights)
  • 6–9 AM86%(115 flights)
  • 9 AM–12 PM92%(73 flights)
  • 12–3 PM82%(39 flights)
  • 3–6 PM80%(95 flights)
  • 6–9 PM78%(37 flights)
On-time trend by month
94%
May

Jun 87% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202587%31
August 202587%31
September 202597%30
October 202575%32
November 202580%20
December 202565%17
January 202678%60
February 202687%45
March 202689%35
April 202687%30
May 202694%31
Departures on time
83%
Diverted
0%
Flights flown
392
Months covered
12

Based on 393 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.