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WanderNerd

Flight Reliability

WN 1186 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1186 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

71%
Arrive within 15 minutes
11 min
Average arrival delay
0%
Cancelled
2 min early
Median arrival delay

Based on 442 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon59%(56 flights)
  • Tue86%(66 flights)
  • Wed82%(65 flights)
  • Thu52%(54 flights)
  • Fri67%(58 flights)
  • Sat72%(79 flights)
  • Sun73%(63 flights)
On-time by departure window
  • 6–9 AM87%(87 flights)
  • 9 AM–12 PM68%(38 flights)
  • 12–3 PM61%(109 flights)
  • 3–6 PM71%(55 flights)
  • 6–9 PM71%(135 flights)
  • 9 PM–12 AM59%(17 flights)
On-time trend by month
57%
May

Jun 76% → May 57% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%29
July 202583%30
August 202564%28
September 202592%25
October 202575%44
November 202575%36
December 202562%42
January 202689%45
February 202670%40
March 202656%50
April 202662%37
May 202657%35
Departures on time
70%
Diverted
0.2%
Flights flown
441
Months covered
12

Based on 442 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.