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Flight Reliability

WN 9 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 9 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

88%
Arrive within 15 minutes
4 min early
Average arrival delay
2.9%
Cancelled
9 min early
Median arrival delay

Based on 209 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon91%(21 flights)
  • Tue92%(39 flights)
  • Wed91%(43 flights)
  • Thu96%(22 flights)
  • Fri85%(13 flights)
  • Sat76%(46 flights)
  • Sun95%(19 flights)
On-time by departure window
  • 3–6 AM—(4 flights)
  • 6–9 AM91%(56 flights)
  • 9 AM–12 PM87%(143 flights)
On-time trend by month
57%
Mar

Oct 96% → Mar 57% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
October 202596%24
November 202583%24
December 202594%34
January 202688%51
February 202693%42
March 202657%14
Departures on time
88%
Diverted
0%
Flights flown
203
Months covered
10

Keep nerding

Based on 209 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.