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Flight Reliability

WN 1275 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1275 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

69%
Arrive within 15 minutes
14 min
Average arrival delay
0.6%
Cancelled
3 min
Median arrival delay

Based on 362 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(51 flights)
  • Tue75%(48 flights)
  • Wed67%(45 flights)
  • Thu63%(48 flights)
  • Fri73%(52 flights)
  • Sat84%(57 flights)
  • Sun49%(59 flights)
On-time by departure window
  • 3–6 AM—(2 flights)
  • 6–9 AM84%(64 flights)
  • 9 AM–12 PM100%(12 flights)
  • 12–3 PM80%(75 flights)
  • 3–6 PM66%(64 flights)
  • 6–9 PM57%(118 flights)
  • 9 PM–12 AM44%(25 flights)
On-time trend by month
76%
May

Jun 42% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202542%24
July 202550%20
August 202563%30
September 202560%30
October 202571%34
November 202565%26
December 202550%28
January 202688%33
February 202686%28
March 202681%31
April 202676%38
May 202676%38
Departures on time
62%
Diverted
0%
Flights flown
360
Months covered
12

Keep nerding

Based on 362 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.