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WanderNerd

Flight Reliability

WN 4442 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 4442 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

81%
Arrive within 15 minutes
3 min
Average arrival delay
0.7%
Cancelled
8 min early
Median arrival delay

Based on 293 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(47 flights)
  • Tue82%(33 flights)
  • Wed77%(30 flights)
  • Thu80%(45 flights)
  • Fri80%(50 flights)
  • Sat86%(42 flights)
  • Sun91%(44 flights)
On-time by departure window
  • 6–9 AM96%(26 flights)
  • 9 AM–12 PM82%(79 flights)
  • 12–3 PM86%(36 flights)
  • 3–6 PM86%(49 flights)
  • 6–9 PM73%(101 flights)
On-time trend by month
77%
May

Jun 61% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202561%18
July 202571%21
August 202581%21
September 202591%21
November 202588%17
December 202573%15
January 202688%34
February 202687%46
March 202683%36
April 202681%31
May 202677%31
Departures on time
77%
Diverted
0%
Flights flown
291
Months covered
11

Based on 293 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.