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Flight Reliability

WN 33 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 33 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

73%
Arrive within 15 minutes
10 min
Average arrival delay
0.9%
Cancelled
1 min early
Median arrival delay

Based on 343 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(51 flights)
  • Tue90%(40 flights)
  • Wed74%(39 flights)
  • Thu78%(58 flights)
  • Fri59%(61 flights)
  • Sat—(9 flights)
  • Sun66%(82 flights)
On-time by departure window
  • 6–9 AM94%(46 flights)
  • 9 AM–12 PM81%(16 flights)
  • 12–3 PM70%(207 flights)
  • 3–6 PM66%(71 flights)
On-time trend by month
55%
Mar

Jun 69% → Mar 55% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%55
July 202569%62
August 202581%36
September 202582%34
October 202583%42
November 202559%27
December 202583%12
February 202674%34
March 202655%20
Departures on time
72%
Diverted
0%
Flights flown
340
Months covered
12

Keep nerding

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.