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WanderNerd

Flight Reliability

WN 3808 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3808 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

76%
Arrive within 15 minutes
10 min
Average arrival delay
0.4%
Cancelled
2 min early
Median arrival delay

Based on 249 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon68%(34 flights)
  • Tue79%(28 flights)
  • Wed92%(24 flights)
  • Thu72%(29 flights)
  • Fri80%(35 flights)
  • Sat74%(35 flights)
  • Sun73%(63 flights)
On-time by departure window
  • 3–6 AM85%(13 flights)
  • 6–9 AM96%(50 flights)
  • 9 AM–12 PM93%(28 flights)
  • 12–3 PM70%(93 flights)
  • 3–6 PM63%(27 flights)
  • 6–9 PM57%(37 flights)
On-time trend by month
62%
Mar

Jun 75% → Mar 62% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%40
July 202572%36
August 202590%31
September 202596%26
October 202567%27
December 202570%20
February 2026100%10
March 202662%39
Departures on time
74%
Diverted
0%
Flights flown
248
Months covered
11

Based on 249 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.