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WanderNerd

Flight Reliability

WN 3805 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3805 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

81%
Arrive within 15 minutes
6 min
Average arrival delay
2.1%
Cancelled
7 min early
Median arrival delay

Based on 337 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon91%(58 flights)
  • Tue74%(43 flights)
  • Wed77%(43 flights)
  • Thu86%(55 flights)
  • Fri88%(50 flights)
  • Sat70%(43 flights)
  • Sun76%(38 flights)
On-time by departure window
  • 3–6 AM96%(56 flights)
  • 6–9 AM100%(51 flights)
  • 9 AM–12 PM82%(44 flights)
  • 12–3 PM67%(18 flights)
  • 3–6 PM67%(54 flights)
  • 6–9 PM74%(99 flights)
  • 9 PM–12 AM(8 flights)
On-time trend by month
100%
May

Jun 42% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202542%26
July 202550%26
August 202577%30
September 202583%30
November 202589%26
December 202596%22
January 202681%36
February 202688%41
March 202687%30
April 202697%31
May 2026100%31
Departures on time
80%
Diverted
0%
Flights flown
330
Months covered
12

Based on 337 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.