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Flight Reliability

WN 909 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 909 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
1.0%
Cancelled
5 min early
Median arrival delay

Based on 403 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(58 flights)
  • Tue80%(61 flights)
  • Wed82%(61 flights)
  • Thu77%(57 flights)
  • Fri78%(54 flights)
  • Sat86%(49 flights)
  • Sun63%(59 flights)
On-time by departure window
  • 6–9 AM93%(90 flights)
  • 9 AM–12 PM94%(70 flights)
  • 12–3 PM80%(103 flights)
  • 3–6 PM70%(27 flights)
  • 6–9 PM48%(71 flights)
  • 9 PM–12 AM74%(38 flights)
On-time trend by month
86%
May

Jun 56% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202556%39
July 202546%44
August 202595%43
September 202595%43
October 202591%35
November 202570%20
December 202592%26
January 202676%25
February 202669%26
March 202677%30
April 202688%32
May 202686%36
Departures on time
77%
Diverted
0%
Flights flown
399
Months covered
12

Keep nerding

Based on 403 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.