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Flight Reliability

WN 3219 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3219 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

76%
Arrive within 15 minutes
9 min
Average arrival delay
0.9%
Cancelled
2 min early
Median arrival delay

Based on 430 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon72%(67 flights)
  • Tue79%(56 flights)
  • Wed84%(56 flights)
  • Thu64%(63 flights)
  • Fri76%(63 flights)
  • Sat82%(60 flights)
  • Sun79%(58 flights)
On-time by departure window
  • 3–6 AM—(8 flights)
  • 6–9 AM91%(90 flights)
  • 9 AM–12 PM77%(77 flights)
  • 12–3 PM86%(83 flights)
  • 3–6 PM60%(109 flights)
  • 6–9 PM69%(48 flights)
  • 9 PM–12 AM—(8 flights)
On-time trend by month
55%
May

Jun 68% → May 55% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%28
July 202577%31
August 202570%33
September 202538%34
October 202585%46
November 202594%33
December 202588%33
January 202695%41
February 202673%45
March 202684%37
April 202677%31
May 202655%31
Departures on time
73%
Diverted
0.7%
Flights flown
423
Months covered
12

Keep nerding

Based on 430 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.