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Flight Reliability

WN 1681 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1681 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

79%
Arrive within 15 minutes
5 min
Average arrival delay
1.6%
Cancelled
5 min early
Median arrival delay

Based on 313 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(45 flights)
  • Tue89%(46 flights)
  • Wed82%(44 flights)
  • Thu75%(40 flights)
  • Fri82%(45 flights)
  • Sat83%(40 flights)
  • Sun66%(47 flights)
On-time by departure window
  • 3–6 AM95%(20 flights)
  • 6–9 AM89%(92 flights)
  • 9 AM–12 PM77%(22 flights)
  • 12–3 PM77%(30 flights)
  • 3–6 PM57%(14 flights)
  • 6–9 PM68%(40 flights)
  • 9 PM–12 AM75%(89 flights)
On-time trend by month
61%
May

Jun 60% → May 61% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%30
July 202566%29
August 202585%27
September 2025100%25
October 202579%14
November 202578%18
December 202587%15
January 202685%26
February 202689%26
March 202694%35
April 202674%31
May 202661%31
Departures on time
79%
Diverted
0.3%
Flights flown
307
Months covered
12

Keep nerding

Based on 313 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.