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WanderNerd

Flight Reliability

WN 2566 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2566 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
11 min
Average arrival delay
1.9%
Cancelled
2 min early
Median arrival delay

Based on 270 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon68%(47 flights)
  • Tue79%(34 flights)
  • Wed85%(33 flights)
  • Thu58%(45 flights)
  • Fri62%(47 flights)
  • Sat83%(23 flights)
  • Sun82%(34 flights)
On-time by departure window
  • 6–9 AM95%(97 flights)
  • 9 AM–12 PM90%(10 flights)
  • 12–3 PM49%(41 flights)
  • 3–6 PM56%(75 flights)
  • 6–9 PM59%(27 flights)
  • 9 PM–12 AM77%(13 flights)
On-time trend by month
57%
May

Jun 46% → May 57% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202546%37
July 202558%38
October 202576%41
November 2025100%25
December 202585%27
March 202696%26
April 202680%30
May 202657%30
Departures on time
63%
Diverted
0.7%
Flights flown
263
Months covered
10

Based on 270 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.