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WanderNerd

Flight Reliability

WN 4624 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 4624 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

75%
Arrive within 15 minutes
9 min
Average arrival delay
6.8%
Cancelled
2 min early
Median arrival delay

Based on 148 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon71%(24 flights)
  • Tue88%(17 flights)
  • Wed93%(15 flights)
  • Thu79%(19 flights)
  • Fri65%(23 flights)
  • Sat71%(17 flights)
  • Sun65%(23 flights)
On-time by departure window
  • 6–9 AM92%(13 flights)
  • 9 AM–12 PM(5 flights)
  • 12–3 PM86%(59 flights)
  • 3–6 PM48%(31 flights)
  • 6–9 PM(7 flights)
  • 9 PM–12 AM70%(23 flights)
On-time trend by month
81%
Mar

Jun 53% → Mar 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202553%17
July 202542%12
December 202582%11
January 202696%27
February 202670%27
March 202681%31
Departures on time
70%
Diverted
0%
Flights flown
138
Months covered
9

Based on 148 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.