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Flight Reliability

WN 4473 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 4473 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
9 min
Average arrival delay
0.9%
Cancelled
1 min early
Median arrival delay

Based on 320 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(57 flights)
  • Tue71%(35 flights)
  • Wed74%(34 flights)
  • Thu66%(55 flights)
  • Fri70%(53 flights)
  • Sat86%(44 flights)
  • Sun82%(38 flights)
On-time by departure window
  • 3–6 AM—(1 flights)
  • 6–9 AM93%(103 flights)
  • 9 AM–12 PM—(5 flights)
  • 12–3 PM71%(14 flights)
  • 3–6 PM67%(43 flights)
  • 6–9 PM64%(124 flights)
  • 9 PM–12 AM58%(26 flights)
On-time trend by month
66%
May

Jun 70% → May 66% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%54
July 202544%54
October 202580%30
November 2025100%28
December 202590%31
January 202686%14
February 2026100%12
March 202689%27
April 202669%29
May 202666%29
Departures on time
66%
Diverted
0.3%
Flights flown
316
Months covered
11

Keep nerding

Based on 320 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.