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Flight Reliability

WN 727 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 727 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
7 min
Average arrival delay
2.0%
Cancelled
5 min early
Median arrival delay

Based on 358 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(53 flights)
  • Tue76%(49 flights)
  • Wed84%(50 flights)
  • Thu77%(52 flights)
  • Fri81%(47 flights)
  • Sat81%(47 flights)
  • Sun85%(52 flights)
On-time by departure window
  • 6–9 AM97%(95 flights)
  • 9 AM–12 PM82%(61 flights)
  • 12–3 PM84%(56 flights)
  • 3–6 PM72%(120 flights)
  • 6–9 PM41%(17 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
100%
May

Jun 66% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202566%32
July 202560%30
August 202571%31
September 202580%30
October 202587%31
November 202581%37
December 202571%42
January 202691%11
February 202682%17
March 202689%28
April 2026100%30
May 2026100%31
Departures on time
81%
Diverted
0.3%
Flights flown
350
Months covered
12

Keep nerding

Based on 358 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.