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Flight Reliability

WN 4347 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 4347 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

88%
Arrive within 15 minutes
3 min early
Average arrival delay
0%
Cancelled
10 min early
Median arrival delay

Based on 232 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon94%(34 flights)
  • Tue85%(34 flights)
  • Wed94%(34 flights)
  • Thu94%(33 flights)
  • Fri85%(33 flights)
  • Sat87%(30 flights)
  • Sun77%(34 flights)
On-time by departure window
  • 6–9 AM90%(52 flights)
  • 9 AM–12 PM92%(62 flights)
  • 12–3 PM80%(25 flights)
  • 3–6 PM86%(84 flights)
  • 6–9 PM—(9 flights)
On-time trend by month
83%
May

Jun 100% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%26
July 202597%30
November 202582%27
December 202583%29
January 202673%30
February 202696%28
April 202688%24
May 202683%30
Departures on time
84%
Diverted
0%
Flights flown
232
Months covered
10

Keep nerding

Based on 232 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.