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WanderNerd

Flight Reliability

WN 833 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 833 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

80%
Arrive within 15 minutes
5 min
Average arrival delay
1.2%
Cancelled
7 min early
Median arrival delay

Based on 432 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(59 flights)
  • Tue85%(68 flights)
  • Wed78%(69 flights)
  • Thu78%(63 flights)
  • Fri86%(62 flights)
  • Sat76%(55 flights)
  • Sun78%(51 flights)
On-time by departure window
  • 6–9 AM93%(124 flights)
  • 9 AM–12 PM85%(156 flights)
  • 12–3 PM51%(84 flights)
  • 3–6 PM81%(36 flights)
  • 6–9 PM82%(27 flights)
On-time trend by month
93%
May

Jun 81% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%26
July 202581%26
August 202581%26
September 202592%26
October 202581%31
November 202540%30
December 202529%31
January 202678%45
February 202692%38
March 202691%33
April 202696%54
May 202693%61
Departures on time
80%
Diverted
0%
Flights flown
427
Months covered
12

Based on 432 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.