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WanderNerd

Flight Reliability

WN 3199 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3199 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

79%
Arrive within 15 minutes
8 min
Average arrival delay
1.0%
Cancelled
4 min early
Median arrival delay

Based on 399 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(55 flights)
  • Tue82%(60 flights)
  • Wed89%(62 flights)
  • Thu86%(58 flights)
  • Fri64%(52 flights)
  • Sat80%(46 flights)
  • Sun69%(62 flights)
On-time by departure window
  • 6–9 AM90%(58 flights)
  • 9 AM–12 PM90%(126 flights)
  • 12–3 PM79%(75 flights)
  • 3–6 PM63%(86 flights)
  • 6–9 PM62%(26 flights)
  • 9 PM–12 AM67%(24 flights)
On-time trend by month
61%
May

Jun 95% → May 61% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202595%56
July 202577%61
August 202582%11
October 202576%33
November 202582%11
December 2025100%16
January 202692%25
February 202691%21
March 202680%10
April 202679%65
May 202661%82
Departures on time
76%
Diverted
0%
Flights flown
395
Months covered
12

Based on 399 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.