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Flight Reliability

WN 1958 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1958 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

71%
Arrive within 15 minutes
11 min
Average arrival delay
1.4%
Cancelled
1 min
Median arrival delay

Based on 345 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon64%(52 flights)
  • Tue77%(43 flights)
  • Wed86%(43 flights)
  • Thu64%(56 flights)
  • Fri67%(55 flights)
  • Sat78%(49 flights)
  • Sun63%(41 flights)
On-time by departure window
  • 6–9 AM94%(50 flights)
  • 9 AM–12 PM92%(77 flights)
  • 12–3 PM—(1 flights)
  • 3–6 PM74%(23 flights)
  • 6–9 PM55%(181 flights)
  • 9 PM–12 AM—(7 flights)
On-time trend by month
85%
May

Aug 55% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 202555%38
September 202532%41
October 202588%40
November 202579%28
December 202579%29
January 202669%29
February 202648%27
March 202676%29
April 202697%36
May 202685%41
Departures on time
62%
Diverted
0.3%
Flights flown
339
Months covered
11

Keep nerding

Based on 345 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.