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WanderNerd

Flight Reliability

WN 1516 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1516 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
12 min
Average arrival delay
0.3%
Cancelled
3 min early
Median arrival delay

Based on 360 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(67 flights)
  • Tue84%(43 flights)
  • Wed72%(43 flights)
  • Thu78%(69 flights)
  • Fri69%(65 flights)
  • Sat88%(32 flights)
  • Sun62%(37 flights)
On-time by departure window
  • 3–6 AM100%(16 flights)
  • 6–9 AM94%(52 flights)
  • 9 AM–12 PM83%(93 flights)
  • 12–3 PM66%(171 flights)
  • 6–9 PM50%(20 flights)
  • 9 PM–12 AM(4 flights)
On-time trend by month
71%
May

Jun 82% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%38
July 202584%37
August 202587%31
September 202593%30
October 202563%41
November 202592%25
December 202556%27
February 202683%18
March 202662%37
April 202653%32
May 202671%31
Departures on time
69%
Diverted
0.8%
Flights flown
356
Months covered
12

Based on 360 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.