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WanderNerd

Flight Reliability

WN 582 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 582 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

72%
Arrive within 15 minutes
9 min
Average arrival delay
0.5%
Cancelled
0 min
Median arrival delay

Based on 378 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(64 flights)
  • Tue64%(42 flights)
  • Wed65%(40 flights)
  • Thu71%(63 flights)
  • Fri79%(63 flights)
  • Sat72%(54 flights)
  • Sun76%(50 flights)
On-time by departure window
  • 3–6 AM(1 flights)
  • 6–9 AM(3 flights)
  • 9 AM–12 PM100%(34 flights)
  • 12–3 PM77%(100 flights)
  • 3–6 PM64%(92 flights)
  • 6–9 PM67%(146 flights)
On-time trend by month
58%
May

Jun 64% → May 58% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202564%44
July 202551%41
August 202582%33
September 202583%30
October 202583%36
November 202577%34
December 202571%41
January 202683%12
February 202671%21
March 202680%25
April 202682%28
May 202658%31
Departures on time
63%
Diverted
0%
Flights flown
376
Months covered
12

Based on 378 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.