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WanderNerd

Flight Reliability

WN 2583 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2583 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

80%
Arrive within 15 minutes
2 min
Average arrival delay
0.2%
Cancelled
4 min early
Median arrival delay

Based on 472 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(70 flights)
  • Tue90%(77 flights)
  • Wed77%(78 flights)
  • Thu74%(70 flights)
  • Fri85%(67 flights)
  • Sat73%(59 flights)
  • Sun69%(49 flights)
On-time by departure window
  • 3–6 AM92%(82 flights)
  • 6–9 AM82%(62 flights)
  • 9 AM–12 PM91%(43 flights)
  • 12–3 PM78%(77 flights)
  • 3–6 PM78%(127 flights)
  • 6–9 PM73%(48 flights)
  • 9 PM–12 AM48%(31 flights)
On-time trend by month
55%
May

Jun 84% → May 55% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202584%45
July 202585%47
August 202566%41
September 202569%39
October 202587%31
November 202594%31
December 202585%33
January 202688%66
February 202683%36
March 202692%39
April 202655%31
May 202655%31
Departures on time
79%
Diverted
0.2%
Flights flown
470
Months covered
12

Based on 472 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.