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Flight Reliability

WN 3328 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3328 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

74%
Arrive within 15 minutes
11 min
Average arrival delay
0%
Cancelled
0 min
Median arrival delay

Based on 238 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon65%(31 flights)
  • Tue62%(37 flights)
  • Wed71%(35 flights)
  • Thu83%(29 flights)
  • Fri76%(33 flights)
  • Sat83%(35 flights)
  • Sun76%(38 flights)
On-time by departure window
  • 6–9 AM89%(46 flights)
  • 9 AM–12 PM88%(41 flights)
  • 12–3 PM68%(31 flights)
  • 3–6 PM—(4 flights)
  • 6–9 PM64%(64 flights)
  • 9 PM–12 AM65%(52 flights)
On-time trend by month
69%
May

Jun 80% → May 69% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%30
July 202584%31
August 202567%27
September 202577%26
October 202571%31
December 202555%11
February 202680%10
March 202671%28
April 202675%20
May 202669%16
Departures on time
68%
Diverted
0%
Flights flown
238
Months covered
12

Keep nerding

Based on 238 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.