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WanderNerd

Flight Reliability

WN 3489 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3489 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

75%
Arrive within 15 minutes
13 min
Average arrival delay
0.8%
Cancelled
3 min early
Median arrival delay

Based on 260 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(37 flights)
  • Tue75%(32 flights)
  • Wed71%(34 flights)
  • Thu80%(39 flights)
  • Fri75%(36 flights)
  • Sat93%(27 flights)
  • Sun64%(53 flights)
On-time by departure window
  • 6–9 AM95%(98 flights)
  • 9 AM–12 PM86%(21 flights)
  • 12–3 PM50%(28 flights)
  • 3–6 PM51%(49 flights)
  • 6–9 PM75%(55 flights)
  • 9 PM–12 AM(7 flights)
On-time trend by month
50%
Apr

Jun 57% → Apr 50% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202557%28
July 202548%27
August 202583%30
September 2025100%30
October 202590%52
November 202567%24
December 202580%20
March 202674%31
April 202650%10
Departures on time
73%
Diverted
0%
Flights flown
258
Months covered
11

Based on 260 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.