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WanderNerd

Flight Reliability

WN 679 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 679 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

81%
Arrive within 15 minutes
3 min
Average arrival delay
0%
Cancelled
4 min early
Median arrival delay

Based on 397 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(60 flights)
  • Tue90%(60 flights)
  • Wed88%(58 flights)
  • Thu78%(55 flights)
  • Fri79%(58 flights)
  • Sat78%(36 flights)
  • Sun70%(69 flights)
On-time by departure window
  • 3–6 AM97%(32 flights)
  • 6–9 AM89%(28 flights)
  • 9 AM–12 PM85%(111 flights)
  • 12–3 PM75%(129 flights)
  • 3–6 PM80%(73 flights)
  • 9 PM–12 AM61%(23 flights)
On-time trend by month
71%
May

Jun 62% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%34
July 202585%33
August 2025100%25
September 202596%22
October 202577%35
November 202583%54
December 202584%67
January 202673%33
February 202692%24
March 202675%12
April 202673%26
May 202671%31
Departures on time
76%
Diverted
0.3%
Flights flown
396
Months covered
12

Based on 397 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.