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Flight Reliability

WN 3801 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3801 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

78%
Arrive within 15 minutes
7 min
Average arrival delay
0.3%
Cancelled
4 min early
Median arrival delay

Based on 304 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(39 flights)
  • Tue84%(51 flights)
  • Wed78%(51 flights)
  • Thu76%(37 flights)
  • Fri80%(39 flights)
  • Sat77%(47 flights)
  • Sun72%(39 flights)
On-time by departure window
  • 6–9 AM91%(119 flights)
  • 9 AM–12 PM50%(10 flights)
  • 12–3 PM61%(18 flights)
  • 3–6 PM90%(59 flights)
  • 6–9 PM73%(41 flights)
  • 9 PM–12 AM54%(56 flights)
On-time trend by month
79%
May

Jun 64% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202564%28
July 202545%31
August 202589%28
September 202592%26
October 2025100%31
January 202691%21
February 202684%19
March 202660%30
April 202685%39
May 202679%43
Departures on time
71%
Diverted
0%
Flights flown
303
Months covered
12

Keep nerding

Based on 304 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.