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WanderNerd

Flight Reliability

WN 3122 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3122 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

76%
Arrive within 15 minutes
10 min
Average arrival delay
3.6%
Cancelled
4 min early
Median arrival delay

Based on 364 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(58 flights)
  • Tue79%(47 flights)
  • Wed78%(50 flights)
  • Thu72%(54 flights)
  • Fri69%(49 flights)
  • Sat71%(38 flights)
  • Sun83%(54 flights)
On-time by departure window
  • 6–9 AM95%(64 flights)
  • 9 AM–12 PM88%(101 flights)
  • 12–3 PM82%(54 flights)
  • 3–6 PM65%(48 flights)
  • 6–9 PM51%(82 flights)
  • 9 PM–12 AM(1 flights)
On-time trend by month
91%
Feb

Jun 67% → Feb 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%30
July 202552%27
August 202550%30
September 202553%30
October 202570%23
November 202587%71
December 202584%50
January 202695%41
February 202691%35
Departures on time
74%
Diverted
0.3%
Flights flown
350
Months covered
11

Based on 364 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.