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Flight Reliability

WN 1317 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1317 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

78%
Arrive within 15 minutes
7 min
Average arrival delay
0.7%
Cancelled
1 min early
Median arrival delay

Based on 426 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon76%(70 flights)
  • Tue79%(52 flights)
  • Wed79%(52 flights)
  • Thu72%(72 flights)
  • Fri76%(72 flights)
  • Sat96%(52 flights)
  • Sun75%(52 flights)
On-time by departure window
  • 3–6 AM94%(36 flights)
  • 6–9 AM94%(71 flights)
  • 9 AM–12 PM—(6 flights)
  • 12–3 PM78%(127 flights)
  • 3–6 PM64%(90 flights)
  • 6–9 PM77%(61 flights)
  • 9 PM–12 AM65%(31 flights)
On-time trend by month
68%
May

Jun 88% → May 68% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202588%25
July 202596%27
August 202564%36
September 202578%37
October 202573%30
November 202586%29
December 202574%31
January 202697%30
February 202670%27
March 202697%39
April 202667%52
May 202668%59
Departures on time
76%
Diverted
0.2%
Flights flown
422
Months covered
12

Keep nerding

Based on 426 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.