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WanderNerd

Flight Reliability

WN 3806 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3806 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

75%
Arrive within 15 minutes
12 min
Average arrival delay
0.3%
Cancelled
1 min
Median arrival delay

Based on 286 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon76%(42 flights)
  • Tue80%(46 flights)
  • Wed77%(43 flights)
  • Thu82%(39 flights)
  • Fri68%(41 flights)
  • Sat77%(26 flights)
  • Sun65%(46 flights)
On-time by departure window
  • 6–9 AM100%(25 flights)
  • 9 AM–12 PM81%(75 flights)
  • 12–3 PM80%(99 flights)
  • 3–6 PM67%(48 flights)
  • 6–9 PM40%(35 flights)
  • 9 PM–12 AM(1 flights)
On-time trend by month
78%
May

Jun 47% → May 78% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202547%32
July 202556%34
August 202583%29
September 2025100%30
October 202577%39
December 202536%11
January 202675%12
February 202695%19
March 202686%28
April 202676%21
May 202678%23
Departures on time
74%
Diverted
0.7%
Flights flown
283
Months covered
12

Based on 286 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.