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WanderNerd

Flight Reliability

WN 3412 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3412 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
2 min
Average arrival delay
1.2%
Cancelled
6 min early
Median arrival delay

Based on 344 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(58 flights)
  • Tue92%(39 flights)
  • Wed84%(37 flights)
  • Thu75%(56 flights)
  • Fri75%(51 flights)
  • Sat97%(30 flights)
  • Sun87%(68 flights)
On-time by departure window
  • 6–9 AM95%(56 flights)
  • 9 AM–12 PM92%(157 flights)
  • 12–3 PM77%(39 flights)
  • 3–6 PM48%(21 flights)
  • 6–9 PM73%(41 flights)
  • 9 PM–12 AM60%(25 flights)
On-time trend by month
90%
May

Jun 63% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%19
July 202563%16
August 202572%29
September 202590%30
October 202533%12
November 202577%35
December 2025100%26
January 202688%25
February 202684%38
March 202694%33
April 202694%36
May 202690%40
Departures on time
79%
Diverted
0.3%
Flights flown
339
Months covered
12

Based on 344 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.