Skip to content
WanderNerd
Check a flight

Flight Reliability

WN 3941 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3941 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

81%
Arrive within 15 minutes
2 min
Average arrival delay
1.6%
Cancelled
6 min early
Median arrival delay

Based on 320 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(45 flights)
  • Tue92%(47 flights)
  • Wed92%(48 flights)
  • Thu77%(44 flights)
  • Fri78%(45 flights)
  • Sat83%(24 flights)
  • Sun71%(61 flights)
On-time by departure window
  • 6–9 AM90%(60 flights)
  • 9 AM–12 PM93%(118 flights)
  • 12–3 PM75%(36 flights)
  • 3–6 PM61%(51 flights)
  • 6–9 PM66%(35 flights)
  • 9 PM–12 AM71%(14 flights)
On-time trend by month
88%
Mar

Jun 62% → Mar 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%42
July 202569%48
August 202576%38
September 202594%35
November 2025100%28
December 202581%31
January 202692%24
February 202691%34
March 202688%17
Departures on time
76%
Diverted
0.3%
Flights flown
314
Months covered
12

Keep nerding

Based on 320 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.