Skip to content
WanderNerd

Flight Reliability

WN 3807 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3807 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
12 min
Average arrival delay
0.3%
Cancelled
1 min
Median arrival delay

Based on 311 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon72%(46 flights)
  • Tue73%(45 flights)
  • Wed83%(46 flights)
  • Thu75%(47 flights)
  • Fri65%(49 flights)
  • Sat79%(34 flights)
  • Sun52%(42 flights)
On-time by departure window
  • 3–6 AM(7 flights)
  • 6–9 AM92%(66 flights)
  • 9 AM–12 PM93%(14 flights)
  • 12–3 PM61%(23 flights)
  • 3–6 PM68%(96 flights)
  • 6–9 PM58%(95 flights)
  • 9 PM–12 AM(8 flights)
On-time trend by month
70%
May

Jun 63% → May 70% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%27
July 202577%31
August 202581%31
September 202580%30
October 202570%23
November 202568%28
December 202547%30
March 202679%19
April 202680%35
May 202670%43
Departures on time
64%
Diverted
0.3%
Flights flown
309
Months covered
12

Based on 311 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.