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Flight Reliability

WN 681 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 681 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

75%
Arrive within 15 minutes
10 min
Average arrival delay
0.3%
Cancelled
0 min
Median arrival delay

Based on 331 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(46 flights)
  • Tue80%(44 flights)
  • Wed79%(42 flights)
  • Thu78%(41 flights)
  • Fri73%(44 flights)
  • Sat71%(42 flights)
  • Sun70%(67 flights)
On-time by departure window
  • 3–6 AM—(9 flights)
  • 6–9 AM83%(81 flights)
  • 9 AM–12 PM88%(74 flights)
  • 12–3 PM83%(46 flights)
  • 3–6 PM62%(34 flights)
  • 6–9 PM50%(42 flights)
  • 9 PM–12 AM60%(40 flights)
On-time trend by month
44%
May

Jun 89% → May 44% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202589%26
July 202577%26
August 202579%33
September 202590%29
October 202565%31
November 202573%26
December 202585%26
January 202682%11
February 202678%32
March 202678%32
April 202667%27
May 202644%27
Departures on time
73%
Diverted
1.2%
Flights flown
326
Months covered
12

Keep nerding

Based on 331 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.