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Flight Reliability

WN 1651 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1651 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
0 min
Average arrival delay
0.6%
Cancelled
9 min early
Median arrival delay

Based on 324 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(45 flights)
  • Tue91%(45 flights)
  • Wed98%(45 flights)
  • Thu71%(49 flights)
  • Fri81%(43 flights)
  • Sat93%(45 flights)
  • Sun82%(49 flights)
On-time by departure window
  • 6–9 AM96%(118 flights)
  • 9 AM–12 PM76%(59 flights)
  • 12–3 PM92%(47 flights)
  • 3–6 PM87%(15 flights)
  • 6–9 PM72%(74 flights)
  • 9 PM–12 AM—(8 flights)
On-time trend by month
77%
May

Jun 100% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%30
July 202597%31
August 202597%30
September 202590%30
October 202579%19
November 202577%13
December 202579%14
January 202688%25
February 202693%30
March 202668%31
April 202673%33
May 202677%35
Departures on time
79%
Diverted
0.3%
Flights flown
321
Months covered
12

Keep nerding

Based on 324 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.