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WanderNerd

Flight Reliability

WN 3348 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3348 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
14 min
Average arrival delay
0%
Cancelled
1 min
Median arrival delay

Based on 268 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon58%(36 flights)
  • Tue69%(35 flights)
  • Wed71%(35 flights)
  • Thu83%(35 flights)
  • Fri71%(34 flights)
  • Sat85%(47 flights)
  • Sun71%(44 flights)
On-time by departure window
  • 6–9 AM84%(70 flights)
  • 9 AM–12 PM86%(36 flights)
  • 12–3 PM66%(82 flights)
  • 3–6 PM74%(31 flights)
  • 6–9 PM62%(29 flights)
  • 9 PM–12 AM50%(18 flights)
On-time trend by month
52%
Mar

Jun 86% → Mar 52% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%29
July 202574%31
August 202577%30
September 202586%29
October 202574%38
November 202561%28
December 202565%31
March 202652%27
Departures on time
72%
Diverted
0.7%
Flights flown
266
Months covered
11

Based on 268 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.