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WanderNerd

Flight Reliability

WN 989 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 989 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

73%
Arrive within 15 minutes
8 min
Average arrival delay
1.0%
Cancelled
2 min early
Median arrival delay

Based on 385 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon70%(50 flights)
  • Tue82%(56 flights)
  • Wed83%(57 flights)
  • Thu69%(49 flights)
  • Fri73%(52 flights)
  • Sat71%(41 flights)
  • Sun64%(74 flights)
On-time by departure window
  • 3–6 AM(1 flights)
  • 6–9 AM92%(13 flights)
  • 9 AM–12 PM87%(23 flights)
  • 12–3 PM85%(47 flights)
  • 3–6 PM73%(95 flights)
  • 6–9 PM66%(170 flights)
  • 9 PM–12 AM73%(30 flights)
On-time trend by month
69%
May

Jun 59% → May 69% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202559%32
July 202560%30
August 202574%34
September 202573%33
October 202581%26
November 202585%39
December 202577%35
January 202690%29
February 202681%26
March 202646%35
April 202684%31
May 202669%29
Departures on time
63%
Diverted
0.5%
Flights flown
379
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.