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WanderNerd

Flight Reliability

WN 489 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 489 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

79%
Arrive within 15 minutes
7 min
Average arrival delay
0.8%
Cancelled
1 min early
Median arrival delay

Based on 385 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(56 flights)
  • Tue78%(50 flights)
  • Wed96%(52 flights)
  • Thu76%(59 flights)
  • Fri69%(52 flights)
  • Sat82%(54 flights)
  • Sun78%(58 flights)
On-time by departure window
  • 3–6 AM(8 flights)
  • 6–9 AM94%(71 flights)
  • 9 AM–12 PM91%(54 flights)
  • 12–3 PM81%(73 flights)
  • 3–6 PM49%(47 flights)
  • 6–9 PM82%(93 flights)
  • 9 PM–12 AM54%(35 flights)
On-time trend by month
87%
May

Jun 63% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%24
July 202563%19
August 202575%36
September 202588%33
October 202557%23
November 202581%37
December 202564%44
January 202688%32
February 202694%35
March 202683%36
April 202694%31
May 202687%31
Departures on time
77%
Diverted
0.3%
Flights flown
381
Months covered
12

Based on 385 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.