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WanderNerd

Flight Reliability

WN 3445 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3445 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
11 min
Average arrival delay
1.2%
Cancelled
2 min
Median arrival delay

Based on 258 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon69%(36 flights)
  • Tue59%(34 flights)
  • Wed79%(33 flights)
  • Thu77%(39 flights)
  • Fri69%(39 flights)
  • Sat82%(33 flights)
  • Sun78%(41 flights)
On-time by departure window
  • 3–6 AM97%(38 flights)
  • 6–9 AM81%(77 flights)
  • 9 AM–12 PM60%(20 flights)
  • 12–3 PM75%(57 flights)
  • 3–6 PM55%(56 flights)
  • 6–9 PM(7 flights)
On-time trend by month
77%
May

Aug 84% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 202584%37
September 202562%42
October 202586%22
February 202671%14
March 202639%28
April 202681%48
May 202677%52
Departures on time
70%
Diverted
0%
Flights flown
255
Months covered
12

Based on 258 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.