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WanderNerd

Flight Reliability

WN 1679 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1679 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

64%
Arrive within 15 minutes
19 min
Average arrival delay
2.0%
Cancelled
3 min
Median arrival delay

Based on 446 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon64%(75 flights)
  • Tue62%(65 flights)
  • Wed67%(60 flights)
  • Thu63%(72 flights)
  • Fri58%(66 flights)
  • Sat77%(39 flights)
  • Sun64%(58 flights)
On-time by departure window
  • 6–9 AM100%(10 flights)
  • 9 AM–12 PM85%(52 flights)
  • 12–3 PM79%(87 flights)
  • 3–6 PM58%(119 flights)
  • 6–9 PM52%(155 flights)
  • 9 PM–12 AM42%(12 flights)
On-time trend by month
31%
May

Jun 53% → May 31% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202553%32
July 202541%34
August 202560%40
September 202592%39
October 202548%40
November 202582%17
December 202548%25
January 202678%49
February 202683%60
March 202677%31
April 202658%33
May 202631%35
Departures on time
58%
Diverted
0.4%
Flights flown
435
Months covered
12

Based on 446 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.