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Flight Reliability

WN 396 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 396 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

83%
Arrive within 15 minutes
2 min
Average arrival delay
0%
Cancelled
5 min early
Median arrival delay

Based on 406 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(61 flights)
  • Tue93%(57 flights)
  • Wed82%(56 flights)
  • Thu76%(63 flights)
  • Fri82%(62 flights)
  • Sat87%(47 flights)
  • Sun75%(60 flights)
On-time by departure window
  • 3–6 AM—(1 flights)
  • 6–9 AM95%(122 flights)
  • 9 AM–12 PM86%(103 flights)
  • 12–3 PM82%(54 flights)
  • 3–6 PM69%(39 flights)
  • 6–9 PM72%(64 flights)
  • 9 PM–12 AM52%(23 flights)
On-time trend by month
58%
May

Jun 87% → May 58% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202597%31
August 202572%32
September 202573%30
October 202594%53
November 202581%31
December 202568%31
January 202689%36
February 202698%43
March 202686%29
April 202672%29
May 202658%31
Departures on time
79%
Diverted
0%
Flights flown
406
Months covered
12

Keep nerding

Based on 406 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.