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WanderNerd

Flight Reliability

WN 3796 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3796 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

89%
Arrive within 15 minutes
1 min
Average arrival delay
0%
Cancelled
8 min early
Median arrival delay

Based on 184 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(29 flights)
  • Tue86%(22 flights)
  • Wed86%(22 flights)
  • Thu94%(31 flights)
  • Fri97%(29 flights)
  • Sat96%(24 flights)
  • Sun82%(27 flights)
On-time by departure window
  • 3–6 AM87%(15 flights)
  • 6–9 AM95%(82 flights)
  • 9 AM–12 PM88%(25 flights)
  • 12–3 PM91%(23 flights)
  • 3–6 PM82%(33 flights)
  • 6–9 PM(2 flights)
  • 9 PM–12 AM(4 flights)
On-time trend by month
97%
May

Aug 85% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 202585%27
September 202587%30
October 202587%31
March 202685%27
April 202697%30
May 202697%31
Departures on time
89%
Diverted
0%
Flights flown
184
Months covered
9

Based on 184 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.