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Flight Reliability

WN 2599 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2599 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

77%
Arrive within 15 minutes
7 min
Average arrival delay
1.0%
Cancelled
4 min early
Median arrival delay

Based on 417 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(63 flights)
  • Tue88%(56 flights)
  • Wed84%(57 flights)
  • Thu70%(64 flights)
  • Fri69%(65 flights)
  • Sat74%(43 flights)
  • Sun75%(65 flights)
On-time by departure window
  • 6–9 AM97%(78 flights)
  • 9 AM–12 PM88%(115 flights)
  • 12–3 PM73%(92 flights)
  • 3–6 PM30%(10 flights)
  • 6–9 PM59%(82 flights)
  • 9 PM–12 AM64%(36 flights)
On-time trend by month
93%
May

Jun 62% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%42
July 202546%41
August 202595%38
September 202582%38
October 202591%21
November 202563%27
December 202559%29
January 202687%47
February 202687%30
March 202655%20
April 202694%36
May 202693%44
Departures on time
72%
Diverted
0%
Flights flown
413
Months covered
12

Keep nerding

Based on 417 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.