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Flight Reliability

WN 4651 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 4651 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

71%
Arrive within 15 minutes
16 min
Average arrival delay
0%
Cancelled
0 min
Median arrival delay

Based on 228 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(38 flights)
  • Tue83%(18 flights)
  • Wed100%(17 flights)
  • Thu53%(38 flights)
  • Fri63%(38 flights)
  • Sat77%(31 flights)
  • Sun65%(46 flights)
On-time by departure window
  • 3–6 AM95%(39 flights)
  • 6–9 AM100%(16 flights)
  • 9 AM–12 PM—(5 flights)
  • 12–3 PM91%(32 flights)
  • 3–6 PM55%(22 flights)
  • 6–9 PM55%(106 flights)
  • 9 PM–12 AM—(6 flights)
On-time trend by month
29%
May

Jun 74% → May 29% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202574%27
July 202565%31
August 202596%23
September 202595%21
November 202563%27
December 202581%31
January 202671%14
February 202675%16
April 202639%13
May 202629%17
Departures on time
66%
Diverted
0.9%
Flights flown
226
Months covered
12

Keep nerding

Based on 228 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.