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WanderNerd

Flight Reliability

WN 4216 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 4216 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

68%
Arrive within 15 minutes
18 min
Average arrival delay
1.5%
Cancelled
2 min
Median arrival delay

Based on 199 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon63%(27 flights)
  • Tue80%(25 flights)
  • Wed56%(27 flights)
  • Thu57%(28 flights)
  • Fri50%(28 flights)
  • Sat97%(30 flights)
  • Sun69%(29 flights)
On-time by departure window
  • 6–9 AM92%(12 flights)
  • 9 AM–12 PM85%(52 flights)
  • 12–3 PM54%(28 flights)
  • 3–6 PM75%(32 flights)
  • 6–9 PM92%(12 flights)
  • 9 PM–12 AM45%(58 flights)
On-time trend by month
36%
May

Jun 59% → May 36% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202559%22
July 202552%21
November 202593%28
December 202579%33
February 202690%10
April 202658%24
May 202636%31
Departures on time
57%
Diverted
1.0%
Flights flown
194
Months covered
11

Based on 199 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.