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WanderNerd

Flight Reliability

WN 4608 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 4608 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

77%
Arrive within 15 minutes
4 min
Average arrival delay
1.5%
Cancelled
4 min early
Median arrival delay

Based on 199 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon63%(27 flights)
  • Tue76%(21 flights)
  • Wed90%(20 flights)
  • Thu96%(24 flights)
  • Fri72%(29 flights)
  • Sat78%(46 flights)
  • Sun69%(29 flights)
On-time by departure window
  • 3–6 AM92%(12 flights)
  • 6–9 AM85%(13 flights)
  • 9 AM–12 PM81%(63 flights)
  • 12–3 PM78%(40 flights)
  • 3–6 PM92%(24 flights)
  • 6–9 PM57%(44 flights)
On-time trend by month
77%
May

Jun 85% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202585%26
July 202578%32
October 202573%22
November 202585%20
December 202560%10
February 202661%18
March 202669%16
April 202695%21
May 202677%22
Departures on time
74%
Diverted
0%
Flights flown
196
Months covered
11

Based on 199 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.