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WanderNerd

Flight Reliability

WN 1989 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1989 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

81%
Arrive within 15 minutes
4 min
Average arrival delay
0.8%
Cancelled
6 min early
Median arrival delay

Based on 513 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(69 flights)
  • Tue84%(93 flights)
  • Wed78%(88 flights)
  • Thu86%(66 flights)
  • Fri71%(68 flights)
  • Sat86%(58 flights)
  • Sun79%(67 flights)
On-time by departure window
  • 6–9 AM94%(108 flights)
  • 9 AM–12 PM96%(91 flights)
  • 12–3 PM87%(104 flights)
  • 3–6 PM54%(82 flights)
  • 6–9 PM72%(118 flights)
  • 9 PM–12 AM(6 flights)
On-time trend by month
55%
May

Jun 92% → May 55% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202592%49
July 202598%47
August 202585%48
September 202573%48
October 202583%29
November 202586%36
December 202560%48
January 202684%51
February 202683%35
March 202694%33
April 202681%41
May 202655%44
Departures on time
77%
Diverted
0%
Flights flown
509
Months covered
12

Based on 513 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.