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Flight Reliability

WN 3330 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3330 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
6 min
Average arrival delay
1.1%
Cancelled
3 min early
Median arrival delay

Based on 376 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon71%(63 flights)
  • Tue73%(56 flights)
  • Wed81%(52 flights)
  • Thu70%(56 flights)
  • Fri79%(56 flights)
  • Sat87%(37 flights)
  • Sun77%(51 flights)
On-time by departure window
  • 6–9 AM88%(133 flights)
  • 9 AM–12 PM82%(90 flights)
  • 3–6 PM67%(46 flights)
  • 6–9 PM59%(102 flights)
On-time trend by month
65%
May

Jun 86% → May 65% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%21
July 202575%20
August 202546%28
September 202570%30
October 202563%30
November 202582%27
December 202579%38
January 202695%37
February 202685%46
March 202685%33
April 202673%30
May 202665%31
Departures on time
72%
Diverted
0.3%
Flights flown
371
Months covered
12

Keep nerding

Based on 376 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.