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Flight Reliability

WN 506 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 506 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

73%
Arrive within 15 minutes
11 min
Average arrival delay
0.7%
Cancelled
2 min early
Median arrival delay

Based on 412 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(65 flights)
  • Tue68%(47 flights)
  • Wed73%(45 flights)
  • Thu78%(67 flights)
  • Fri64%(74 flights)
  • Sat78%(51 flights)
  • Sun80%(59 flights)
On-time by departure window
  • 3–6 AM95%(37 flights)
  • 6–9 AM78%(46 flights)
  • 9 AM–12 PM69%(35 flights)
  • 12–3 PM80%(30 flights)
  • 3–6 PM71%(147 flights)
  • 6–9 PM64%(90 flights)
  • 9 PM–12 AM78%(23 flights)
On-time trend by month
65%
May

Jun 75% → May 65% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%40
July 202587%39
August 202578%32
September 202590%30
October 202562%37
November 202570%20
December 202556%16
January 202672%29
February 202676%49
March 202674%46
April 202664%36
May 202665%34
Departures on time
72%
Diverted
0.2%
Flights flown
408
Months covered
12

Keep nerding

Based on 412 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.