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WanderNerd

Flight Reliability

WN 3825 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3825 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

65%
Arrive within 15 minutes
17 min
Average arrival delay
0.6%
Cancelled
4 min
Median arrival delay

Based on 167 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon90%(20 flights)
  • Tue69%(16 flights)
  • Wed44%(16 flights)
  • Thu68%(22 flights)
  • Fri71%(21 flights)
  • Sat69%(36 flights)
  • Sun49%(35 flights)
On-time by departure window
  • 3–6 AM(8 flights)
  • 6–9 AM100%(11 flights)
  • 9 AM–12 PM84%(31 flights)
  • 12–3 PM(1 flights)
  • 3–6 PM47%(71 flights)
  • 6–9 PM69%(39 flights)
  • 9 PM–12 AM(5 flights)
On-time trend by month
33%
Mar

Jun 59% → Mar 33% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202559%27
July 202550%30
August 202553%17
September 202577%17
October 202583%30
March 202633%15
Departures on time
62%
Diverted
0%
Flights flown
166
Months covered
11

Based on 167 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.