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Flight Reliability

WN 3824 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3824 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

76%
Arrive within 15 minutes
8 min
Average arrival delay
0.3%
Cancelled
5 min early
Median arrival delay

Based on 296 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon86%(42 flights)
  • Tue86%(29 flights)
  • Wed89%(26 flights)
  • Thu76%(42 flights)
  • Fri81%(48 flights)
  • Sat64%(42 flights)
  • Sun65%(65 flights)
On-time by departure window
  • 6–9 AM97%(67 flights)
  • 9 AM–12 PM88%(16 flights)
  • 12–3 PM72%(64 flights)
  • 3–6 PM63%(65 flights)
  • 6–9 PM71%(82 flights)
On-time trend by month
60%
Apr

Jun 90% → Apr 60% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%30
July 202586%35
August 202565%31
September 202576%29
October 2025100%31
November 202578%32
December 202557%21
January 202680%10
February 202653%15
March 202671%44
April 202660%10
Departures on time
71%
Diverted
0.3%
Flights flown
294
Months covered
12

Keep nerding

Based on 296 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.