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Flight Reliability

WN 1312 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1312 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
3 min
Average arrival delay
0.5%
Cancelled
5 min early
Median arrival delay

Based on 429 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(62 flights)
  • Tue87%(68 flights)
  • Wed83%(69 flights)
  • Thu85%(65 flights)
  • Fri77%(61 flights)
  • Sat86%(56 flights)
  • Sun80%(46 flights)
On-time by departure window
  • 3–6 AM—(2 flights)
  • 6–9 AM93%(76 flights)
  • 9 AM–12 PM93%(83 flights)
  • 12–3 PM75%(98 flights)
  • 3–6 PM68%(62 flights)
  • 6–9 PM84%(88 flights)
  • 9 PM–12 AM78%(18 flights)
On-time trend by month
77%
May

Jun 86% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%29
July 202581%31
August 202570%23
September 202577%22
October 202596%80
November 202586%49
December 202575%60
January 202693%27
February 202693%15
March 202653%30
April 202690%30
May 202677%31
Departures on time
76%
Diverted
0%
Flights flown
427
Months covered
12

Keep nerding

Based on 429 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.