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Flight Reliability

WN 1281 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1281 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

86%
Arrive within 15 minutes
4 min
Average arrival delay
0.8%
Cancelled
8 min early
Median arrival delay

Based on 387 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(51 flights)
  • Tue75%(61 flights)
  • Wed81%(64 flights)
  • Thu86%(51 flights)
  • Fri93%(44 flights)
  • Sat93%(56 flights)
  • Sun93%(57 flights)
On-time by departure window
  • 3–6 AM90%(48 flights)
  • 6–9 AM92%(50 flights)
  • 9 AM–12 PM93%(163 flights)
  • 12–3 PM86%(91 flights)
  • 3–6 PM31%(16 flights)
  • 6–9 PM44%(16 flights)
On-time trend by month
88%
May

Jun 70% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%27
July 202553%30
August 202590%30
September 202593%30
October 202586%22
November 202576%37
December 202586%43
January 202697%35
February 2026100%36
March 202688%32
April 2026100%30
May 202688%32
Departures on time
85%
Diverted
0%
Flights flown
384
Months covered
12

Keep nerding

Based on 387 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.