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Flight Reliability

WN 971 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 971 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

84%
Arrive within 15 minutes
2 min
Average arrival delay
0.9%
Cancelled
7 min early
Median arrival delay

Based on 426 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(63 flights)
  • Tue88%(58 flights)
  • Wed93%(61 flights)
  • Thu85%(66 flights)
  • Fri89%(64 flights)
  • Sat86%(55 flights)
  • Sun65%(54 flights)
On-time by departure window
  • 3–6 AM—(5 flights)
  • 6–9 AM96%(161 flights)
  • 9 AM–12 PM92%(39 flights)
  • 12–3 PM70%(81 flights)
  • 3–6 PM75%(80 flights)
  • 6–9 PM78%(51 flights)
  • 9 PM–12 AM—(4 flights)
On-time trend by month
98%
May

Jun 69% → May 98% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%35
July 202587%31
August 202583%30
September 202577%26
October 202583%35
November 202576%38
December 202584%43
January 202671%31
February 202684%37
March 202688%32
April 2026100%40
May 202698%43
Departures on time
81%
Diverted
0.2%
Flights flown
421
Months covered
12

Keep nerding

Based on 426 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.