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Flight Reliability

WN 1051 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1051 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

80%
Arrive within 15 minutes
4 min
Average arrival delay
0.8%
Cancelled
6 min early
Median arrival delay

Based on 393 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(59 flights)
  • Tue83%(46 flights)
  • Wed73%(44 flights)
  • Thu67%(57 flights)
  • Fri84%(62 flights)
  • Sat82%(55 flights)
  • Sun88%(67 flights)
On-time by departure window
  • 6–9 AM95%(97 flights)
  • 9 AM–12 PM90%(145 flights)
  • 12–3 PM51%(45 flights)
  • 3–6 PM71%(65 flights)
  • 6–9 PM68%(25 flights)
  • 9 PM–12 AM15%(13 flights)
On-time trend by month
97%
May

Jun 61% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202561%33
July 202579%33
August 202589%44
September 202584%43
October 202552%31
November 202591%46
December 2025100%45
January 2026100%16
February 202691%11
March 202630%27
April 202677%30
May 202697%31
Departures on time
75%
Diverted
0%
Flights flown
390
Months covered
12

Keep nerding

Based on 393 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.