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Flight Reliability

WN 2131 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2131 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

83%
Arrive within 15 minutes
1 min
Average arrival delay
1.1%
Cancelled
6 min early
Median arrival delay

Based on 468 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(87 flights)
  • Tue83%(57 flights)
  • Wed78%(60 flights)
  • Thu87%(87 flights)
  • Fri87%(83 flights)
  • Sat83%(36 flights)
  • Sun78%(49 flights)
On-time by departure window
  • 6–9 AM93%(102 flights)
  • 9 AM–12 PM83%(176 flights)
  • 12–3 PM83%(77 flights)
  • 3–6 PM76%(72 flights)
  • 6–9 PM69%(16 flights)
  • 9 PM–12 AM75%(16 flights)
On-time trend by month
78%
May

Jun 95% → May 78% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202595%39
July 202580%39
August 202591%42
September 202577%43
October 202577%17
November 202591%33
December 202590%41
January 202687%30
February 202683%36
March 202660%25
April 202686%51
May 202678%63
Departures on time
81%
Diverted
0.9%
Flights flown
459
Months covered
12

Keep nerding

Based on 468 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.