Skip to content
WanderNerd
Check a flight

Flight Reliability

WN 163 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 163 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
0.6%
Cancelled
1 min early
Median arrival delay

Based on 358 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon76%(45 flights)
  • Tue75%(48 flights)
  • Wed80%(45 flights)
  • Thu63%(43 flights)
  • Fri73%(44 flights)
  • Sat84%(75 flights)
  • Sun64%(56 flights)
On-time by departure window
  • 3–6 AM96%(28 flights)
  • 6–9 AM86%(28 flights)
  • 9 AM–12 PM89%(27 flights)
  • 12–3 PM86%(66 flights)
  • 3–6 PM76%(54 flights)
  • 6–9 PM50%(78 flights)
  • 9 PM–12 AM69%(75 flights)
On-time trend by month
30%
May

Jun 94% → May 30% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202594%33
July 202568%31
August 202563%24
September 202595%21
October 202587%39
November 202584%37
December 202569%42
January 202693%15
February 202680%25
March 202693%29
April 202643%30
May 202630%30
Departures on time
68%
Diverted
0%
Flights flown
356
Months covered
12

Keep nerding

Based on 358 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.