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Flight Reliability

WN 1401 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1401 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

88%
Arrive within 15 minutes
3 min early
Average arrival delay
0.6%
Cancelled
8 min early
Median arrival delay

Based on 348 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon94%(51 flights)
  • Tue89%(64 flights)
  • Wed81%(63 flights)
  • Thu88%(51 flights)
  • Fri84%(50 flights)
  • Sat81%(32 flights)
  • Sun97%(33 flights)
On-time by departure window
  • 3–6 AM96%(53 flights)
  • 6–9 AM96%(99 flights)
  • 9 AM–12 PM97%(38 flights)
  • 12–3 PM86%(72 flights)
  • 3–6 PM75%(56 flights)
  • 6–9 PM—(2 flights)
  • 9 PM–12 AM54%(24 flights)
On-time trend by month
69%
May

Jun 91% → May 69% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202591%21
July 202591%22
August 202567%24
September 202573%26
October 202597%35
November 202596%28
December 202586%29
January 202696%26
February 2026100%27
March 202693%30
April 202692%37
May 202669%39
Departures on time
86%
Diverted
0.6%
Flights flown
344
Months covered
12

Keep nerding

Based on 348 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.