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WanderNerd

Flight Reliability

WN 4446 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 4446 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

63%
Arrive within 15 minutes
21 min
Average arrival delay
0.6%
Cancelled
0 min
Median arrival delay

Based on 154 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon64%(28 flights)
  • Tue90%(10 flights)
  • Wed91%(11 flights)
  • Thu44%(25 flights)
  • Fri56%(27 flights)
  • Sat68%(22 flights)
  • Sun63%(30 flights)
On-time by departure window
  • 3–6 AM92%(24 flights)
  • 6–9 AM90%(39 flights)
  • 9 AM–12 PM(1 flights)
  • 12–3 PM(2 flights)
  • 3–6 PM44%(46 flights)
  • 6–9 PM38%(34 flights)
  • 9 PM–12 AM(7 flights)
On-time trend by month
93%
Sep

Jun 50% → Sep 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202550%34
July 202531%32
August 202585%33
September 202593%30
Departures on time
63%
Diverted
0%
Flights flown
153
Months covered
11

Based on 154 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.