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WanderNerd

Flight Reliability

WN 3145 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3145 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
2 min
Average arrival delay
0.4%
Cancelled
6 min early
Median arrival delay

Based on 254 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon88%(40 flights)
  • Tue88%(41 flights)
  • Wed86%(49 flights)
  • Thu83%(42 flights)
  • Fri68%(28 flights)
  • Sat92%(26 flights)
  • Sun85%(27 flights)
On-time by departure window
  • 3–6 AM(9 flights)
  • 6–9 AM97%(130 flights)
  • 9 AM–12 PM79%(29 flights)
  • 12–3 PM65%(49 flights)
  • 3–6 PM(1 flights)
  • 6–9 PM(8 flights)
  • 9 PM–12 AM59%(27 flights)
On-time trend by month
97%
May

Jun 94% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202594%33
July 2025100%30
November 202575%52
December 202575%64
April 2026100%24
May 202697%31
Departures on time
85%
Diverted
0%
Flights flown
253
Months covered
10

Based on 254 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.