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Flight Reliability

WN 4404 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 4404 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

76%
Arrive within 15 minutes
10 min
Average arrival delay
0.9%
Cancelled
2 min early
Median arrival delay

Based on 231 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(30 flights)
  • Tue83%(24 flights)
  • Wed71%(21 flights)
  • Thu56%(27 flights)
  • Fri81%(31 flights)
  • Sat76%(49 flights)
  • Sun79%(47 flights)
On-time by departure window
  • 6–9 AM92%(78 flights)
  • 9 AM–12 PM75%(12 flights)
  • 12–3 PM79%(14 flights)
  • 3–6 PM66%(77 flights)
  • 6–9 PM68%(38 flights)
  • 9 PM–12 AM50%(10 flights)
On-time trend by month
76%
May

Jun 72% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202572%32
July 202575%28
October 202566%50
November 202577%17
December 2025100%13
March 202693%27
April 202674%27
May 202676%25
Departures on time
73%
Diverted
0%
Flights flown
229
Months covered
10

Keep nerding

Based on 231 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.