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Flight Reliability

WN 1912 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1912 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

77%
Arrive within 15 minutes
9 min
Average arrival delay
1.2%
Cancelled
4 min early
Median arrival delay

Based on 331 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(48 flights)
  • Tue76%(42 flights)
  • Wed57%(35 flights)
  • Thu74%(42 flights)
  • Fri86%(49 flights)
  • Sat83%(41 flights)
  • Sun74%(66 flights)
On-time by departure window
  • 6–9 AM96%(49 flights)
  • 9 AM–12 PM78%(36 flights)
  • 12–3 PM78%(92 flights)
  • 3–6 PM71%(38 flights)
  • 6–9 PM35%(20 flights)
  • 9 PM–12 AM75%(88 flights)
On-time trend by month
61%
May

Jun 71% → May 61% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%35
July 202552%31
August 202559%29
September 202579%29
October 202589%27
November 202573%22
December 202596%26
January 202673%11
February 202683%18
March 202688%33
April 202697%31
May 202661%31
Departures on time
73%
Diverted
1.2%
Flights flown
323
Months covered
12

Keep nerding

Based on 331 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.