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WanderNerd

Flight Reliability

WN 3675 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3675 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
1 min
Average arrival delay
0%
Cancelled
8 min early
Median arrival delay

Based on 184 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(24 flights)
  • Tue92%(13 flights)
  • Wed92%(12 flights)
  • Thu77%(26 flights)
  • Fri93%(29 flights)
  • Sat83%(29 flights)
  • Sun77%(51 flights)
On-time by departure window
  • 6–9 AM97%(63 flights)
  • 9 AM–12 PM88%(16 flights)
  • 12–3 PM(1 flights)
  • 3–6 PM63%(48 flights)
  • 6–9 PM81%(41 flights)
  • 9 PM–12 AM87%(15 flights)
On-time trend by month
94%
May

Oct 62% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
October 202562%26
November 202579%14
February 202683%18
March 202686%29
April 202691%33
May 202694%36
Departures on time
78%
Diverted
0%
Flights flown
184
Months covered
12

Based on 184 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.