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WanderNerd

Flight Reliability

WN 4107 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 4107 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

66%
Arrive within 15 minutes
17 min
Average arrival delay
0%
Cancelled
4 min
Median arrival delay

Based on 244 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon58%(43 flights)
  • Tue82%(34 flights)
  • Wed68%(31 flights)
  • Thu62%(42 flights)
  • Fri61%(44 flights)
  • Sat73%(22 flights)
  • Sun68%(28 flights)
On-time by departure window
  • 6–9 AM(1 flights)
  • 9 AM–12 PM75%(20 flights)
  • 12–3 PM79%(95 flights)
  • 3–6 PM71%(72 flights)
  • 6–9 PM35%(55 flights)
  • 9 PM–12 AM(1 flights)
On-time trend by month
32%
May

Jun 71% → May 32% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%42
July 202574%43
August 202572%25
September 202564%22
December 202564%11
February 202692%12
March 202682%28
April 202644%27
May 202632%25
Departures on time
70%
Diverted
0%
Flights flown
244
Months covered
12

Based on 244 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.