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WanderNerd

Flight Reliability

WN 3893 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3893 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

74%
Arrive within 15 minutes
9 min
Average arrival delay
1.3%
Cancelled
1 min early
Median arrival delay

Based on 233 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(38 flights)
  • Tue88%(24 flights)
  • Wed64%(25 flights)
  • Thu63%(41 flights)
  • Fri71%(41 flights)
  • Sat74%(23 flights)
  • Sun89%(35 flights)
On-time by departure window
  • 3–6 AM96%(22 flights)
  • 6–9 AM86%(77 flights)
  • 9 AM–12 PM63%(16 flights)
  • 12–3 PM61%(62 flights)
  • 3–6 PM90%(10 flights)
  • 6–9 PM52%(23 flights)
  • 9 PM–12 AM71%(17 flights)
On-time trend by month
65%
May

Jun 80% → May 65% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%30
July 202571%28
August 202565%17
September 202559%17
October 202593%43
March 202654%26
April 202678%27
May 202665%26
Departures on time
70%
Diverted
1.3%
Flights flown
227
Months covered
12

Based on 233 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.