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Flight Reliability

WN 927 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 927 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

85%
Arrive within 15 minutes
2 min
Average arrival delay
0.6%
Cancelled
5 min early
Median arrival delay

Based on 339 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(48 flights)
  • Tue86%(50 flights)
  • Wed96%(51 flights)
  • Thu84%(49 flights)
  • Fri88%(49 flights)
  • Sat76%(49 flights)
  • Sun85%(41 flights)
On-time by departure window
  • 3–6 AM97%(30 flights)
  • 6–9 AM96%(79 flights)
  • 9 AM–12 PM94%(46 flights)
  • 12–3 PM93%(57 flights)
  • 3–6 PM72%(18 flights)
  • 6–9 PM70%(70 flights)
  • 9 PM–12 AM65%(37 flights)
On-time trend by month
94%
May

Jun 70% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%23
July 202578%27
August 202593%30
September 202597%30
October 202565%31
November 202580%30
December 202571%31
January 202692%26
February 202688%16
March 2026100%30
April 202693%30
May 202694%33
Departures on time
81%
Diverted
0%
Flights flown
337
Months covered
12

Keep nerding

Based on 339 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.