Skip to content
WanderNerd
Check a flight

Flight Reliability

WN 3012 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3012 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

88%
Arrive within 15 minutes
0 min
Average arrival delay
0.3%
Cancelled
8 min early
Median arrival delay

Based on 333 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon87%(53 flights)
  • Tue96%(48 flights)
  • Wed83%(48 flights)
  • Thu90%(49 flights)
  • Fri92%(48 flights)
  • Sat84%(44 flights)
  • Sun85%(41 flights)
On-time by departure window
  • 3–6 AM95%(41 flights)
  • 6–9 AM92%(145 flights)
  • 9 AM–12 PM76%(21 flights)
  • 12–3 PM85%(78 flights)
  • 3–6 PM80%(45 flights)
  • 6–9 PM—(1 flights)
On-time trend by month
94%
May

Jun 94% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202594%31
July 202587%31
August 202597%31
September 202587%30
November 202578%27
December 202594%31
January 202690%30
February 202683%18
March 202674%38
April 202694%32
May 202694%31
Departures on time
87%
Diverted
0.3%
Flights flown
331
Months covered
12

Keep nerding

Based on 333 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.