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WanderNerd

Flight Reliability

WN 330 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 330 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

76%
Arrive within 15 minutes
8 min
Average arrival delay
0.7%
Cancelled
1 min early
Median arrival delay

Based on 417 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(69 flights)
  • Tue74%(49 flights)
  • Wed80%(44 flights)
  • Thu64%(66 flights)
  • Fri79%(67 flights)
  • Sat78%(51 flights)
  • Sun84%(67 flights)
On-time by departure window
  • 3–6 AM100%(29 flights)
  • 6–9 AM93%(105 flights)
  • 9 AM–12 PM60%(45 flights)
  • 12–3 PM73%(67 flights)
  • 3–6 PM72%(71 flights)
  • 6–9 PM56%(72 flights)
  • 9 PM–12 AM75%(24 flights)
On-time trend by month
69%
May

Jun 90% → May 69% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%30
July 202597%30
August 202578%23
September 202576%21
October 202589%47
November 202594%18
December 202571%34
January 202664%39
February 202654%76
March 202686%36
April 202673%30
May 202669%29
Departures on time
74%
Diverted
0.2%
Flights flown
413
Months covered
12

Based on 417 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.