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WanderNerd

Flight Reliability

WN 4160 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 4160 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

71%
Arrive within 15 minutes
6 min
Average arrival delay
1.9%
Cancelled
3 min early
Median arrival delay

Based on 206 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(27 flights)
  • Tue70%(30 flights)
  • Wed63%(30 flights)
  • Thu78%(23 flights)
  • Fri65%(26 flights)
  • Sat69%(39 flights)
  • Sun73%(26 flights)
On-time by departure window
  • 3–6 AM100%(15 flights)
  • 6–9 AM93%(42 flights)
  • 9 AM–12 PM76%(38 flights)
  • 12–3 PM28%(29 flights)
  • 3–6 PM82%(50 flights)
  • 6–9 PM41%(27 flights)
On-time trend by month
13%
May

Jun 43% → May 13% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202543%14
July 202557%14
August 202590%29
September 202597%30
November 202593%27
December 202577%31
March 202660%15
April 202636%14
May 202613%16
Departures on time
70%
Diverted
0.5%
Flights flown
201
Months covered
12

Based on 206 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.