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WanderNerd

Flight Reliability

WN 981 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 981 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

80%
Arrive within 15 minutes
7 min
Average arrival delay
1.8%
Cancelled
4 min early
Median arrival delay

Based on 329 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(47 flights)
  • Tue91%(45 flights)
  • Wed88%(43 flights)
  • Thu70%(46 flights)
  • Fri78%(50 flights)
  • Sat79%(52 flights)
  • Sun80%(39 flights)
On-time by departure window
  • 6–9 AM98%(42 flights)
  • 9 AM–12 PM92%(52 flights)
  • 12–3 PM82%(56 flights)
  • 3–6 PM73%(30 flights)
  • 6–9 PM79%(87 flights)
  • 9 PM–12 AM58%(55 flights)
On-time trend by month
60%
May

Jun 92% → May 60% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202592%24
July 202592%26
August 202597%30
September 202597%30
October 202584%31
November 202574%19
December 202556%16
January 202696%28
February 202670%27
March 202668%31
April 202667%30
May 202660%30
Departures on time
75%
Diverted
0.3%
Flights flown
322
Months covered
12

Based on 329 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.