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WanderNerd

Flight Reliability

WN 3163 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3163 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

80%
Arrive within 15 minutes
5 min
Average arrival delay
1.1%
Cancelled
5 min early
Median arrival delay

Based on 449 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(63 flights)
  • Tue80%(71 flights)
  • Wed80%(74 flights)
  • Thu79%(62 flights)
  • Fri79%(61 flights)
  • Sat87%(39 flights)
  • Sun79%(71 flights)
On-time by departure window
  • 6–9 AM97%(39 flights)
  • 9 AM–12 PM84%(133 flights)
  • 12–3 PM75%(105 flights)
  • 3–6 PM76%(98 flights)
  • 6–9 PM71%(41 flights)
  • 9 PM–12 AM80%(25 flights)
On-time trend by month
85%
May

Jun 78% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202578%41
July 202569%42
August 202578%37
September 202579%38
October 202587%30
November 202578%27
December 202587%31
January 202683%60
February 202673%37
March 202670%23
April 202689%36
May 202685%39
Departures on time
75%
Diverted
0.7%
Flights flown
441
Months covered
12

Based on 449 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.