Skip to content
WanderNerd
Check a flight

Flight Reliability

WN 3238 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3238 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

85%
Arrive within 15 minutes
3 min
Average arrival delay
1.1%
Cancelled
6 min early
Median arrival delay

Based on 441 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(70 flights)
  • Tue80%(55 flights)
  • Wed85%(58 flights)
  • Thu87%(70 flights)
  • Fri89%(64 flights)
  • Sat86%(49 flights)
  • Sun85%(68 flights)
On-time by departure window
  • 6–9 AM94%(175 flights)
  • 9 AM–12 PM81%(57 flights)
  • 12–3 PM—(1 flights)
  • 3–6 PM82%(129 flights)
  • 6–9 PM71%(72 flights)
On-time trend by month
97%
May

Jun 97% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%29
July 202594%31
August 202585%48
September 202594%51
October 202580%44
November 202558%45
December 202577%34
January 202684%37
February 202681%26
March 202693%28
April 202690%30
May 202697%31
Departures on time
83%
Diverted
0.5%
Flights flown
434
Months covered
12

Keep nerding

Based on 441 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.