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WanderNerd

Flight Reliability

WN 1261 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1261 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
0.3%
Cancelled
3 min early
Median arrival delay

Based on 372 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon76%(55 flights)
  • Tue91%(53 flights)
  • Wed85%(53 flights)
  • Thu82%(54 flights)
  • Fri83%(54 flights)
  • Sat86%(51 flights)
  • Sun75%(51 flights)
On-time by departure window
  • 3–6 AM83%(35 flights)
  • 6–9 AM93%(145 flights)
  • 9 AM–12 PM94%(47 flights)
  • 12–3 PM(8 flights)
  • 3–6 PM74%(80 flights)
  • 6–9 PM67%(49 flights)
  • 9 PM–12 AM(7 flights)
On-time trend by month
62%
May

Jun 89% → May 62% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202589%26
July 202568%22
August 202579%28
September 202593%30
October 202594%31
November 202584%31
December 202574%31
January 202690%31
February 202697%34
March 202691%32
April 202672%36
May 202662%39
Departures on time
82%
Diverted
0%
Flights flown
371
Months covered
12

Based on 372 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.