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WanderNerd

Flight Reliability

WN 2259 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2259 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

84%
Arrive within 15 minutes
1 min
Average arrival delay
0.7%
Cancelled
7 min early
Median arrival delay

Based on 425 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(59 flights)
  • Tue81%(73 flights)
  • Wed79%(77 flights)
  • Thu88%(59 flights)
  • Fri84%(51 flights)
  • Sat84%(25 flights)
  • Sun85%(75 flights)
On-time by departure window
  • 3–6 AM86%(35 flights)
  • 6–9 AM97%(143 flights)
  • 9 AM–12 PM92%(105 flights)
  • 12–3 PM72%(57 flights)
  • 3–6 PM54%(46 flights)
  • 6–9 PM48%(27 flights)
  • 9 PM–12 AM(6 flights)
On-time trend by month
91%
May

Jun 87% → May 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%38
July 202597%39
August 202589%28
September 202596%26
October 202568%25
November 202589%47
December 202574%65
January 202692%25
February 2026100%19
March 202648%40
April 202691%34
May 202691%33
Departures on time
83%
Diverted
0.7%
Flights flown
419
Months covered
12

Based on 425 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.