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WanderNerd

Flight Reliability

WN 1245 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1245 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

83%
Arrive within 15 minutes
3 min
Average arrival delay
0.3%
Cancelled
7 min early
Median arrival delay

Based on 349 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon87%(45 flights)
  • Tue77%(56 flights)
  • Wed81%(53 flights)
  • Thu93%(41 flights)
  • Fri91%(44 flights)
  • Sat71%(56 flights)
  • Sun84%(50 flights)
On-time by departure window
  • 3–6 AM93%(57 flights)
  • 6–9 AM91%(149 flights)
  • 9 AM–12 PM91%(43 flights)
  • 12–3 PM61%(28 flights)
  • 3–6 PM58%(52 flights)
  • 6–9 PM(8 flights)
  • 9 PM–12 AM(8 flights)
On-time trend by month
100%
May

Jun 70% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%33
July 202575%36
August 202593%29
September 202597%29
October 202590%31
November 202567%36
December 202573%44
January 202686%22
February 202682%17
March 202690%29
April 202690%20
May 2026100%19
Departures on time
81%
Diverted
0.9%
Flights flown
345
Months covered
12

Based on 349 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.