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Flight Reliability

WN 1499 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1499 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

72%
Arrive within 15 minutes
12 min
Average arrival delay
3.2%
Cancelled
4 min early
Median arrival delay

Based on 372 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon63%(43 flights)
  • Tue85%(53 flights)
  • Wed83%(52 flights)
  • Thu71%(41 flights)
  • Fri85%(40 flights)
  • Sat73%(67 flights)
  • Sun52%(64 flights)
On-time by departure window
  • 3–6 AM92%(13 flights)
  • 6–9 AM87%(98 flights)
  • 9 AM–12 PM87%(37 flights)
  • 12–3 PM94%(70 flights)
  • 3–6 PM73%(52 flights)
  • 6–9 PM31%(74 flights)
  • 9 PM–12 AM25%(16 flights)
On-time trend by month
63%
May

Jun 55% → May 63% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202555%33
July 202525%32
August 202584%32
September 202597%30
October 202597%30
November 202590%29
December 202572%29
January 202693%29
February 202697%29
March 202654%28
April 202645%29
May 202663%30
Departures on time
73%
Diverted
0%
Flights flown
360
Months covered
12

Keep nerding

Based on 372 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.