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Flight Reliability

WN 1246 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1246 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

76%
Arrive within 15 minutes
8 min
Average arrival delay
0.8%
Cancelled
3 min early
Median arrival delay

Based on 511 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(93 flights)
  • Tue73%(56 flights)
  • Wed78%(60 flights)
  • Thu79%(99 flights)
  • Fri69%(91 flights)
  • Sat78%(45 flights)
  • Sun79%(61 flights)
On-time by departure window
  • 6–9 AM95%(57 flights)
  • 9 AM–12 PM88%(77 flights)
  • 12–3 PM72%(215 flights)
  • 3–6 PM68%(85 flights)
  • 6–9 PM73%(44 flights)
  • 9 PM–12 AM74%(27 flights)
On-time trend by month
65%
May

Jun 57% → May 65% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202557%35
July 202571%41
August 202585%78
September 202581%89
October 202581%26
November 202597%29
December 202574%23
January 202690%20
February 202662%26
March 202678%50
April 202671%45
May 202665%43
Departures on time
69%
Diverted
0.4%
Flights flown
505
Months covered
12

Keep nerding

Based on 511 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.