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WanderNerd

Flight Reliability

WN 3896 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3896 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

77%
Arrive within 15 minutes
5 min
Average arrival delay
1.7%
Cancelled
3 min early
Median arrival delay

Based on 288 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon65%(40 flights)
  • Tue78%(40 flights)
  • Wed79%(38 flights)
  • Thu64%(39 flights)
  • Fri74%(46 flights)
  • Sat86%(28 flights)
  • Sun92%(52 flights)
On-time by departure window
  • 6–9 AM91%(33 flights)
  • 9 AM–12 PM100%(10 flights)
  • 12–3 PM64%(81 flights)
  • 3–6 PM91%(22 flights)
  • 6–9 PM80%(119 flights)
  • 9 PM–12 AM61%(18 flights)
On-time trend by month
69%
May

Aug 89% → May 69% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 202589%28
September 202589%28
October 202573%26
November 202568%28
December 202578%40
February 202691%21
March 202670%40
April 202672%29
May 202669%26
Departures on time
70%
Diverted
0%
Flights flown
283
Months covered
12

Based on 288 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.