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WanderNerd

Flight Reliability

WN 3454 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3454 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

84%
Arrive within 15 minutes
0 min
Average arrival delay
1.0%
Cancelled
8 min early
Median arrival delay

Based on 305 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon76%(41 flights)
  • Tue98%(41 flights)
  • Wed93%(40 flights)
  • Thu87%(37 flights)
  • Fri84%(43 flights)
  • Sat76%(50 flights)
  • Sun80%(50 flights)
On-time by departure window
  • 6–9 AM97%(57 flights)
  • 9 AM–12 PM91%(57 flights)
  • 12–3 PM93%(41 flights)
  • 3–6 PM73%(80 flights)
  • 6–9 PM66%(35 flights)
  • 9 PM–12 AM88%(32 flights)
On-time trend by month
83%
May

Jun 84% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202584%37
July 202588%40
August 202582%28
September 202573%26
October 202590%30
November 202582%34
December 202589%44
April 202675%24
May 202683%29
Departures on time
78%
Diverted
0%
Flights flown
302
Months covered
11

Based on 305 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.