Skip to content
WanderNerd
Check a flight

Flight Reliability

WN 835 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 835 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

81%
Arrive within 15 minutes
4 min
Average arrival delay
1.4%
Cancelled
4 min early
Median arrival delay

Based on 369 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(52 flights)
  • Tue89%(52 flights)
  • Wed94%(51 flights)
  • Thu78%(54 flights)
  • Fri71%(52 flights)
  • Sat90%(48 flights)
  • Sun67%(54 flights)
On-time by departure window
  • 3–6 AM89%(27 flights)
  • 6–9 AM96%(101 flights)
  • 9 AM–12 PM89%(52 flights)
  • 12–3 PM82%(72 flights)
  • 3–6 PM53%(61 flights)
  • 6–9 PM72%(50 flights)
On-time trend by month
77%
May

Jun 86% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%28
July 202597%31
August 202594%31
September 202597%30
October 202597%31
November 202580%30
December 202561%31
February 202664%14
March 202666%61
April 202681%37
May 202677%30
Departures on time
80%
Diverted
0.3%
Flights flown
363
Months covered
12

Keep nerding

Based on 369 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.