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Flight Reliability

WN 3835 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3835 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

66%
Arrive within 15 minutes
16 min
Average arrival delay
0.8%
Cancelled
3 min
Median arrival delay

Based on 241 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon58%(33 flights)
  • Tue76%(33 flights)
  • Wed84%(31 flights)
  • Thu50%(30 flights)
  • Fri58%(33 flights)
  • Sat67%(27 flights)
  • Sun67%(52 flights)
On-time by departure window
  • 6–9 AM—(2 flights)
  • 9 AM–12 PM81%(48 flights)
  • 12–3 PM70%(53 flights)
  • 3–6 PM74%(42 flights)
  • 6–9 PM48%(87 flights)
  • 9 PM–12 AM—(7 flights)
On-time trend by month
60%
May

Jun 57% → May 60% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202557%30
July 202542%26
October 202561%33
December 202564%11
February 202679%24
March 202674%35
April 202677%31
May 202660%30
Departures on time
65%
Diverted
0%
Flights flown
239
Months covered
12

Keep nerding

Based on 241 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.