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WanderNerd

Flight Reliability

WN 446 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 446 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

78%
Arrive within 15 minutes
6 min
Average arrival delay
1.2%
Cancelled
4 min early
Median arrival delay

Based on 342 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(46 flights)
  • Tue76%(49 flights)
  • Wed92%(47 flights)
  • Thu72%(47 flights)
  • Fri82%(45 flights)
  • Sat78%(46 flights)
  • Sun68%(57 flights)
On-time by departure window
  • 3–6 AM100%(14 flights)
  • 6–9 AM87%(37 flights)
  • 9 AM–12 PM87%(116 flights)
  • 12–3 PM73%(40 flights)
  • 3–6 PM79%(48 flights)
  • 6–9 PM60%(65 flights)
  • 9 PM–12 AM65%(17 flights)
On-time trend by month
48%
May

Jun 86% → May 48% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%29
July 202581%31
August 202579%24
September 202580%20
October 202556%27
November 202593%28
December 202579%29
January 202685%33
February 202688%34
March 202696%24
April 202670%27
May 202648%31
Departures on time
75%
Diverted
0.3%
Flights flown
337
Months covered
12

Based on 342 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.