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Flight Reliability

WN 443 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 443 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
1.2%
Cancelled
4 min early
Median arrival delay

Based on 328 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon60%(48 flights)
  • Tue86%(44 flights)
  • Wed88%(42 flights)
  • Thu63%(48 flights)
  • Fri73%(48 flights)
  • Sat72%(43 flights)
  • Sun77%(48 flights)
On-time by departure window
  • 3–6 AM—(7 flights)
  • 6–9 AM90%(68 flights)
  • 9 AM–12 PM85%(97 flights)
  • 12–3 PM52%(33 flights)
  • 3–6 PM50%(42 flights)
  • 6–9 PM78%(27 flights)
  • 9 PM–12 AM60%(47 flights)
On-time trend by month
90%
May

Jun 68% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%28
July 202576%29
August 202577%31
September 202573%30
October 202574%31
November 202554%28
December 202537%27
January 202670%10
February 202683%18
March 202683%29
April 202697%29
May 202690%31
Departures on time
73%
Diverted
0.9%
Flights flown
321
Months covered
12

Keep nerding

Based on 328 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.