Skip to content
WanderNerd

Flight Reliability

WN 4723 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 4723 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

73%
Arrive within 15 minutes
13 min
Average arrival delay
0.5%
Cancelled
1 min
Median arrival delay

Based on 183 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon72%(25 flights)
  • Tue83%(23 flights)
  • Wed57%(21 flights)
  • Thu74%(23 flights)
  • Fri70%(27 flights)
  • Sat70%(27 flights)
  • Sun81%(36 flights)
On-time by departure window
  • 6–9 AM86%(14 flights)
  • 9 AM–12 PM(4 flights)
  • 12–3 PM86%(22 flights)
  • 3–6 PM60%(58 flights)
  • 6–9 PM86%(59 flights)
  • 9 PM–12 AM48%(25 flights)
On-time trend by month
70%
Mar

Jun 60% → Mar 70% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%30
July 202558%31
December 202575%24
January 202692%26
February 202683%41
March 202670%10
Departures on time
64%
Diverted
0%
Flights flown
182
Months covered
10

Based on 183 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.