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WanderNerd

Flight Reliability

WN 3358 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3358 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
11 min
Average arrival delay
1.5%
Cancelled
1 min early
Median arrival delay

Based on 263 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon59%(34 flights)
  • Tue79%(34 flights)
  • Wed74%(35 flights)
  • Thu70%(33 flights)
  • Fri77%(34 flights)
  • Sat76%(38 flights)
  • Sun78%(51 flights)
On-time by departure window
  • 6–9 AM91%(105 flights)
  • 9 AM–12 PM92%(24 flights)
  • 12–3 PM80%(40 flights)
  • 3–6 PM(8 flights)
  • 6–9 PM43%(82 flights)
On-time trend by month
82%
Feb

Jun 50% → Feb 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202550%30
July 202563%30
August 202542%12
October 202587%37
November 202580%39
December 202569%35
January 202688%32
February 202682%28
Departures on time
73%
Diverted
0%
Flights flown
259
Months covered
11

Based on 263 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.