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Flight Reliability

WN 2999 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2999 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

91%
Arrive within 15 minutes
3 min early
Average arrival delay
0.3%
Cancelled
8 min early
Median arrival delay

Based on 366 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon90%(50 flights)
  • Tue90%(51 flights)
  • Wed87%(52 flights)
  • Thu90%(49 flights)
  • Fri96%(48 flights)
  • Sat94%(64 flights)
  • Sun92%(50 flights)
On-time by departure window
  • 3–6 AM100%(56 flights)
  • 6–9 AM98%(125 flights)
  • 9 AM–12 PM93%(15 flights)
  • 12–3 PM84%(31 flights)
  • 3–6 PM73%(33 flights)
  • 6–9 PM86%(101 flights)
  • 9 PM–12 AM—(3 flights)
On-time trend by month
100%
May

Jun 97% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%29
July 202590%29
August 202592%39
September 202592%38
October 2025100%31
November 202593%29
December 202597%31
January 202681%31
February 202667%18
March 202683%29
April 202693%30
May 2026100%30
Departures on time
89%
Diverted
0.3%
Flights flown
364
Months covered
12

Keep nerding

Based on 366 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.