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Flight Reliability

WN 1309 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1309 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
4 min
Average arrival delay
1.4%
Cancelled
6 min early
Median arrival delay

Based on 357 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(46 flights)
  • Tue86%(62 flights)
  • Wed90%(62 flights)
  • Thu89%(47 flights)
  • Fri84%(50 flights)
  • Sat60%(37 flights)
  • Sun80%(45 flights)
On-time by departure window
  • 6–9 AM95%(84 flights)
  • 9 AM–12 PM88%(112 flights)
  • 12–3 PM80%(50 flights)
  • 3–6 PM68%(85 flights)
  • 6–9 PM80%(10 flights)
  • 9 PM–12 AM—(8 flights)
On-time trend by month
57%
May

Jun 86% → May 57% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%35
July 202593%30
August 202579%48
September 202589%52
October 202576%29
November 202594%17
December 202588%17
January 202696%24
February 202688%25
March 202689%28
April 202657%23
May 202657%21
Departures on time
82%
Diverted
0.8%
Flights flown
349
Months covered
12

Keep nerding

Based on 357 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.