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Flight Reliability

WN 2519 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2519 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
10 min
Average arrival delay
0.4%
Cancelled
5 min early
Median arrival delay

Based on 488 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(84 flights)
  • Tue90%(71 flights)
  • Wed89%(78 flights)
  • Thu63%(87 flights)
  • Fri69%(83 flights)
  • Sat59%(34 flights)
  • Sun70%(47 flights)
On-time by departure window
  • 6–9 AM99%(67 flights)
  • 9 AM–12 PM90%(105 flights)
  • 12–3 PM78%(111 flights)
  • 3–6 PM70%(80 flights)
  • 6–9 PM74%(42 flights)
  • 9 PM–12 AM46%(79 flights)
On-time trend by month
97%
May

Jun 50% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202550%30
July 202538%29
August 202566%56
September 202567%60
October 202565%31
November 202573%26
December 202580%20
January 202694%77
February 202698%45
March 202677%48
April 202690%31
May 202697%31
Departures on time
74%
Diverted
0.4%
Flights flown
484
Months covered
12

Keep nerding

Based on 488 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.