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WanderNerd

Flight Reliability

WN 834 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 834 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

78%
Arrive within 15 minutes
4 min
Average arrival delay
1.2%
Cancelled
4 min early
Median arrival delay

Based on 343 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon88%(50 flights)
  • Tue82%(44 flights)
  • Wed75%(44 flights)
  • Thu71%(52 flights)
  • Fri66%(53 flights)
  • Sat81%(41 flights)
  • Sun87%(54 flights)
On-time by departure window
  • 6–9 AM92%(13 flights)
  • 9 AM–12 PM91%(55 flights)
  • 12–3 PM75%(191 flights)
  • 3–6 PM78%(32 flights)
  • 6–9 PM75%(47 flights)
On-time trend by month
65%
May

Jun 57% → May 65% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202557%28
July 202565%26
August 202583%30
September 202589%26
October 202572%39
November 202590%30
December 202577%31
January 2026100%31
February 202691%22
March 202683%23
April 202669%26
May 202665%26
Departures on time
75%
Diverted
0.3%
Flights flown
338
Months covered
12

Based on 343 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.