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Flight Reliability

WN 3680 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3680 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

73%
Arrive within 15 minutes
12 min
Average arrival delay
0.8%
Cancelled
3 min early
Median arrival delay

Based on 239 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon65%(34 flights)
  • Tue55%(20 flights)
  • Wed47%(17 flights)
  • Thu72%(32 flights)
  • Fri82%(38 flights)
  • Sat91%(33 flights)
  • Sun78%(63 flights)
On-time by departure window
  • 3–6 AM91%(44 flights)
  • 6–9 AM87%(15 flights)
  • 9 AM–12 PM—(7 flights)
  • 12–3 PM70%(30 flights)
  • 3–6 PM67%(115 flights)
  • 6–9 PM62%(26 flights)
On-time trend by month
70%
May

Jun 74% → May 70% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202574%31
July 202568%31
August 202577%17
September 202594%16
October 202573%22
November 202563%19
December 202565%17
February 202690%10
March 202677%13
April 202674%27
May 202670%30
Departures on time
67%
Diverted
0%
Flights flown
237
Months covered
12

Keep nerding

Based on 239 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.