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Flight Reliability

WN 4300 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 4300 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

74%
Arrive within 15 minutes
6 min
Average arrival delay
0%
Cancelled
6 min early
Median arrival delay

Based on 132 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(22 flights)
  • Tue77%(22 flights)
  • Wed87%(23 flights)
  • Thu74%(23 flights)
  • Fri58%(24 flights)
  • Sat—(5 flights)
  • Sun69%(13 flights)
On-time by departure window
  • 6–9 AM—(1 flights)
  • 9 AM–12 PM85%(47 flights)
  • 12–3 PM—(2 flights)
  • 3–6 PM67%(15 flights)
  • 6–9 PM67%(67 flights)
On-time trend by month
57%
May

Aug 71% → May 57% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 202571%24
September 202569%26
March 202696%24
April 202665%23
May 202657%21
Departures on time
69%
Diverted
0%
Flights flown
132
Months covered
9

Keep nerding

Based on 132 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.