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Flight Reliability

WN 1199 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1199 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

72%
Arrive within 15 minutes
20 min
Average arrival delay
0.3%
Cancelled
1 min early
Median arrival delay

Based on 362 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon71%(51 flights)
  • Tue81%(52 flights)
  • Wed81%(52 flights)
  • Thu67%(52 flights)
  • Fri73%(52 flights)
  • Sat73%(48 flights)
  • Sun56%(54 flights)
On-time by departure window
  • 3–6 AM—(5 flights)
  • 6–9 AM92%(37 flights)
  • 9 AM–12 PM86%(103 flights)
  • 12–3 PM42%(36 flights)
  • 3–6 PM43%(35 flights)
  • 6–9 PM71%(114 flights)
  • 9 PM–12 AM61%(31 flights)
On-time trend by month
53%
May

Jun 44% → May 53% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202544%34
July 202546%35
August 202571%24
September 202591%22
October 202560%35
November 202582%33
December 202582%33
January 202697%30
February 202676%25
March 202690%30
April 202680%30
May 202653%30
Departures on time
66%
Diverted
0%
Flights flown
361
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.