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WanderNerd

Flight Reliability

WN 3810 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3810 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

72%
Arrive within 15 minutes
10 min
Average arrival delay
1.0%
Cancelled
3 min early
Median arrival delay

Based on 300 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon55%(38 flights)
  • Tue74%(31 flights)
  • Wed80%(30 flights)
  • Thu54%(35 flights)
  • Fri63%(41 flights)
  • Sat87%(84 flights)
  • Sun69%(36 flights)
On-time by departure window
  • 3–6 AM(6 flights)
  • 6–9 AM87%(23 flights)
  • 9 AM–12 PM91%(42 flights)
  • 12–3 PM77%(90 flights)
  • 3–6 PM67%(81 flights)
  • 6–9 PM45%(53 flights)
On-time trend by month
88%
May

Jun 46% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202546%28
July 202548%29
October 202592%13
November 202568%19
December 202541%17
March 202681%70
April 202673%55
May 202688%56
Departures on time
68%
Diverted
0.7%
Flights flown
295
Months covered
10

Based on 300 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.