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WanderNerd

Flight Reliability

WN 3248 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3248 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

83%
Arrive within 15 minutes
2 min
Average arrival delay
2.4%
Cancelled
6 min early
Median arrival delay

Based on 252 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon86%(35 flights)
  • Tue95%(38 flights)
  • Wed89%(37 flights)
  • Thu82%(34 flights)
  • Fri84%(31 flights)
  • Sat83%(29 flights)
  • Sun63%(41 flights)
On-time by departure window
  • 6–9 AM97%(100 flights)
  • 9 AM–12 PM77%(30 flights)
  • 12–3 PM64%(42 flights)
  • 3–6 PM87%(60 flights)
  • 9 PM–12 AM31%(13 flights)
On-time trend by month
93%
Mar

Aug 93% → Mar 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 202593%28
September 202593%29
October 202562%34
November 202562%26
December 202580%20
January 202694%32
February 202696%28
March 202693%30
Departures on time
77%
Diverted
0.4%
Flights flown
245
Months covered
12

Based on 252 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.