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Flight Reliability

WN 199 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 199 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

75%
Arrive within 15 minutes
9 min
Average arrival delay
0.9%
Cancelled
3 min early
Median arrival delay

Based on 428 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon76%(53 flights)
  • Tue77%(74 flights)
  • Wed77%(74 flights)
  • Thu72%(54 flights)
  • Fri87%(55 flights)
  • Sat71%(55 flights)
  • Sun60%(58 flights)
On-time by departure window
  • 3–6 AM—(4 flights)
  • 6–9 AM96%(25 flights)
  • 9 AM–12 PM98%(42 flights)
  • 12–3 PM81%(67 flights)
  • 3–6 PM73%(167 flights)
  • 6–9 PM56%(101 flights)
  • 9 PM–12 AM77%(17 flights)
On-time trend by month
77%
May

Jun 57% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202557%46
July 202554%54
August 202575%32
September 202587%30
October 202577%39
November 202595%40
December 202588%33
January 202687%31
February 202682%28
March 202669%61
April 202667%12
May 202677%17
Departures on time
68%
Diverted
0.2%
Flights flown
423
Months covered
12

Keep nerding

Based on 428 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.