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Flight Reliability

WN 1718 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1718 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
3 min
Average arrival delay
0.6%
Cancelled
5 min early
Median arrival delay

Based on 472 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon93%(68 flights)
  • Tue83%(81 flights)
  • Wed74%(81 flights)
  • Thu88%(68 flights)
  • Fri77%(73 flights)
  • Sat88%(40 flights)
  • Sun88%(56 flights)
On-time by departure window
  • 3–6 AM94%(65 flights)
  • 6–9 AM92%(101 flights)
  • 9 AM–12 PM89%(135 flights)
  • 12–3 PM71%(73 flights)
  • 3–6 PM70%(74 flights)
  • 6–9 PM63%(19 flights)
On-time trend by month
82%
May

Jun 73% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%33
July 202571%35
August 202594%33
September 202594%35
October 202578%36
November 2025100%43
December 202577%44
January 202678%18
February 2026100%19
March 202675%32
April 202684%67
May 202682%72
Departures on time
81%
Diverted
0.4%
Flights flown
467
Months covered
12

Keep nerding

Based on 472 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.