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Flight Reliability

WN 3306 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3306 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

88%
Arrive within 15 minutes
1 min early
Average arrival delay
1.7%
Cancelled
6 min early
Median arrival delay

Based on 302 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(42 flights)
  • Tue84%(32 flights)
  • Wed90%(31 flights)
  • Thu87%(39 flights)
  • Fri92%(48 flights)
  • Sat93%(53 flights)
  • Sun90%(51 flights)
On-time by departure window
  • 6–9 AM93%(176 flights)
  • 9 AM–12 PM92%(47 flights)
  • 12–3 PM80%(50 flights)
  • 3–6 PM—(1 flights)
  • 6–9 PM59%(22 flights)
On-time trend by month
97%
May

Jun 85% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202585%34
July 202591%34
August 202580%30
September 202587%30
October 202591%23
November 202588%32
December 202576%21
March 2026100%26
April 202690%30
May 202697%30
Departures on time
87%
Diverted
0.3%
Flights flown
296
Months covered
12

Keep nerding

Based on 302 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.