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Flight Reliability

WN 3586 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3586 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

74%
Arrive within 15 minutes
10 min
Average arrival delay
0%
Cancelled
1 min early
Median arrival delay

Based on 226 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon69%(35 flights)
  • Tue91%(22 flights)
  • Wed86%(22 flights)
  • Thu75%(36 flights)
  • Fri63%(38 flights)
  • Sat69%(35 flights)
  • Sun76%(37 flights)
On-time by departure window
  • 6–9 AM97%(38 flights)
  • 9 AM–12 PM—(8 flights)
  • 12–3 PM78%(83 flights)
  • 3–6 PM80%(30 flights)
  • 6–9 PM44%(45 flights)
  • 9 PM–12 AM62%(21 flights)
On-time trend by month
83%
May

Aug 16% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 202516%19
September 202562%21
October 202583%18
November 202580%25
December 202569%29
February 202650%10
March 202685%33
April 202697%31
May 202683%29
Departures on time
70%
Diverted
0.4%
Flights flown
225
Months covered
11

Keep nerding

Based on 226 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.