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Flight Reliability

WN 411 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 411 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

70%
Arrive within 15 minutes
13 min
Average arrival delay
0.5%
Cancelled
1 min early
Median arrival delay

Based on 431 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(52 flights)
  • Tue71%(73 flights)
  • Wed69%(73 flights)
  • Thu76%(53 flights)
  • Fri69%(52 flights)
  • Sat75%(52 flights)
  • Sun60%(73 flights)
On-time by departure window
  • 6–9 AM87%(99 flights)
  • 9 AM–12 PM81%(16 flights)
  • 12–3 PM72%(92 flights)
  • 3–6 PM55%(119 flights)
  • 6–9 PM75%(72 flights)
  • 9 PM–12 AM57%(30 flights)
On-time trend by month
51%
May

Jun 61% → May 51% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202561%38
July 202544%41
August 202568%41
September 202581%42
October 202580%45
November 2025100%31
December 202581%31
January 202685%26
February 202689%27
March 202666%29
April 202655%38
May 202651%39
Departures on time
65%
Diverted
0.2%
Flights flown
428
Months covered
12

Keep nerding

Based on 431 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.