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WanderNerd

Flight Reliability

WN 3869 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3869 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

73%
Arrive within 15 minutes
10 min
Average arrival delay
0.7%
Cancelled
0 min
Median arrival delay

Based on 274 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon63%(38 flights)
  • Tue80%(39 flights)
  • Wed85%(39 flights)
  • Thu61%(38 flights)
  • Fri61%(38 flights)
  • Sat82%(39 flights)
  • Sun77%(39 flights)
On-time by departure window
  • 3–6 AM87%(30 flights)
  • 6–9 AM90%(77 flights)
  • 9 AM–12 PM86%(21 flights)
  • 12–3 PM58%(31 flights)
  • 3–6 PM53%(40 flights)
  • 6–9 PM82%(34 flights)
  • 9 PM–12 AM43%(37 flights)
On-time trend by month
57%
May

Jun 62% → May 57% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%26
July 202582%27
August 202585%27
September 202592%26
November 202593%28
December 202567%33
March 202646%22
April 202666%32
May 202657%35
Departures on time
72%
Diverted
0.7%
Flights flown
270
Months covered
11

Based on 274 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.