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WanderNerd

Flight Reliability

WN 3898 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3898 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
14 min
Average arrival delay
1.4%
Cancelled
4 min early
Median arrival delay

Based on 288 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(39 flights)
  • Tue76%(37 flights)
  • Wed79%(38 flights)
  • Thu66%(41 flights)
  • Fri64%(44 flights)
  • Sat79%(38 flights)
  • Sun64%(44 flights)
On-time by departure window
  • 6–9 AM98%(105 flights)
  • 9 AM–12 PM32%(28 flights)
  • 12–3 PM(5 flights)
  • 3–6 PM71%(58 flights)
  • 6–9 PM51%(85 flights)
On-time trend by month
100%
May

Jun 37% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202537%30
July 202538%34
August 202588%32
September 202597%30
November 202567%12
January 202689%27
February 202675%28
March 202647%30
April 202689%27
May 2026100%26
Departures on time
69%
Diverted
1.0%
Flights flown
281
Months covered
12

Based on 288 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.