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WanderNerd

Flight Reliability

WN 4106 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 4106 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

79%
Arrive within 15 minutes
7 min
Average arrival delay
1.2%
Cancelled
4 min early
Median arrival delay

Based on 243 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(35 flights)
  • Tue87%(30 flights)
  • Wed83%(29 flights)
  • Thu77%(35 flights)
  • Fri82%(34 flights)
  • Sat78%(27 flights)
  • Sun72%(50 flights)
On-time by departure window
  • 3–6 AM96%(23 flights)
  • 6–9 AM73%(45 flights)
  • 9 AM–12 PM74%(77 flights)
  • 12–3 PM73%(11 flights)
  • 3–6 PM80%(30 flights)
  • 6–9 PM(8 flights)
  • 9 PM–12 AM85%(46 flights)
On-time trend by month
88%
May

Jun 60% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%20
July 202581%21
August 202591%11
October 202581%37
November 202567%27
December 202577%31
March 202689%26
April 202685%27
May 202688%25
Departures on time
78%
Diverted
0%
Flights flown
240
Months covered
12

Based on 243 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.