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Flight Reliability

WN 1217 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1217 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
5 min
Average arrival delay
0.9%
Cancelled
6 min early
Median arrival delay

Based on 424 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(68 flights)
  • Tue79%(58 flights)
  • Wed85%(58 flights)
  • Thu90%(67 flights)
  • Fri84%(63 flights)
  • Sat89%(52 flights)
  • Sun67%(52 flights)
On-time by departure window
  • 3–6 AM100%(14 flights)
  • 6–9 AM93%(120 flights)
  • 9 AM–12 PM91%(119 flights)
  • 12–3 PM72%(104 flights)
  • 3–6 PM47%(15 flights)
  • 6–9 PM71%(21 flights)
  • 9 PM–12 AM64%(25 flights)
On-time trend by month
84%
May

Jun 68% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%28
July 202563%27
August 202593%30
September 202597%30
October 202597%31
November 202595%42
December 202571%35
January 202681%31
February 202691%34
March 202669%49
April 202684%43
May 202684%38
Departures on time
81%
Diverted
0.5%
Flights flown
418
Months covered
12

Keep nerding

Based on 424 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.