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Flight Reliability

WN 4408 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 4408 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

90%
Arrive within 15 minutes
7 min early
Average arrival delay
0%
Cancelled
10 min early
Median arrival delay

Based on 173 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon93%(27 flights)
  • Tue90%(20 flights)
  • Wed100%(18 flights)
  • Thu100%(26 flights)
  • Fri81%(31 flights)
  • Sat85%(26 flights)
  • Sun88%(25 flights)
On-time by departure window
  • 6–9 AM99%(107 flights)
  • 9 AM–12 PM81%(32 flights)
  • 12–3 PM67%(30 flights)
  • 3–6 PM—(4 flights)
On-time trend by month
97%
May

Aug 100% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 2025100%28
September 202587%30
October 2025100%23
December 202564%11
March 202675%12
April 202689%27
May 202697%31
Departures on time
91%
Diverted
0%
Flights flown
173
Months covered
9

Keep nerding

Based on 173 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.