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Flight Reliability

WN 3191 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3191 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

81%
Arrive within 15 minutes
1 min
Average arrival delay
0%
Cancelled
8 min early
Median arrival delay

Based on 258 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(33 flights)
  • Tue82%(38 flights)
  • Wed74%(38 flights)
  • Thu82%(33 flights)
  • Fri71%(28 flights)
  • Sat81%(41 flights)
  • Sun92%(47 flights)
On-time by departure window
  • 6–9 AM93%(42 flights)
  • 9 AM–12 PM90%(30 flights)
  • 12–3 PM83%(93 flights)
  • 6–9 PM70%(86 flights)
  • 9 PM–12 AM—(7 flights)
On-time trend by month
93%
Mar

Jun 68% → Mar 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%31
July 202565%31
August 202581%31
September 202590%30
October 202588%17
November 202579%14
December 202581%16
January 202685%27
February 202683%18
March 202693%30
Departures on time
74%
Diverted
0%
Flights flown
258
Months covered
12

Keep nerding

Based on 258 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.