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WanderNerd

Flight Reliability

WN 1066 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1066 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
6 min
Average arrival delay
1.1%
Cancelled
5 min early
Median arrival delay

Based on 367 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(51 flights)
  • Tue84%(51 flights)
  • Wed89%(52 flights)
  • Thu75%(52 flights)
  • Fri79%(52 flights)
  • Sat72%(54 flights)
  • Sun64%(50 flights)
On-time by departure window
  • 3–6 AM100%(13 flights)
  • 6–9 AM94%(93 flights)
  • 9 AM–12 PM82%(61 flights)
  • 12–3 PM71%(84 flights)
  • 3–6 PM77%(56 flights)
  • 6–9 PM44%(55 flights)
On-time trend by month
84%
May

Jun 65% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202565%31
July 202560%30
August 202581%31
September 202593%30
October 202590%31
November 202561%31
December 202576%33
January 202687%31
February 202670%23
March 202667%30
April 202683%30
May 202684%31
Departures on time
74%
Diverted
0.3%
Flights flown
362
Months covered
12

Based on 367 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.