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Flight Reliability

WN 3513 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3513 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

80%
Arrive within 15 minutes
8 min
Average arrival delay
1.0%
Cancelled
4 min early
Median arrival delay

Based on 287 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(40 flights)
  • Tue84%(43 flights)
  • Wed86%(43 flights)
  • Thu81%(42 flights)
  • Fri71%(41 flights)
  • Sat82%(28 flights)
  • Sun77%(47 flights)
On-time by departure window
  • 3–6 AM92%(65 flights)
  • 6–9 AM81%(53 flights)
  • 9 AM–12 PM91%(11 flights)
  • 12–3 PM88%(34 flights)
  • 3–6 PM58%(43 flights)
  • 6–9 PM78%(36 flights)
  • 9 PM–12 AM71%(42 flights)
On-time trend by month
85%
May

Jun 79% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%28
July 202577%30
August 202594%31
September 202587%30
October 202558%40
November 202596%24
December 202566%29
February 2026100%10
March 202670%27
April 202694%17
May 202685%13
Departures on time
80%
Diverted
0%
Flights flown
284
Months covered
12

Keep nerding

Based on 287 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.