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WanderNerd

Flight Reliability

WN 441 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 441 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

85%
Arrive within 15 minutes
1 min
Average arrival delay
0.6%
Cancelled
6 min early
Median arrival delay

Based on 337 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon90%(50 flights)
  • Tue87%(46 flights)
  • Wed84%(45 flights)
  • Thu89%(44 flights)
  • Fri76%(45 flights)
  • Sat80%(39 flights)
  • Sun88%(65 flights)
On-time by departure window
  • 3–6 AM(8 flights)
  • 6–9 AM96%(80 flights)
  • 9 AM–12 PM92%(82 flights)
  • 12–3 PM84%(85 flights)
  • 3–6 PM76%(41 flights)
  • 6–9 PM61%(38 flights)
On-time trend by month
78%
May

Jun 94% → May 78% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202594%35
July 202590%31
August 202595%19
September 202588%17
October 202586%36
November 202590%41
December 202587%52
January 202658%12
February 202688%17
March 202666%29
April 202682%22
May 202678%23
Departures on time
82%
Diverted
0.3%
Flights flown
334
Months covered
12

Based on 337 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.