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Flight Reliability

WN 1771 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1771 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

76%
Arrive within 15 minutes
13 min
Average arrival delay
1.9%
Cancelled
3 min early
Median arrival delay

Based on 374 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon87%(52 flights)
  • Tue71%(58 flights)
  • Wed70%(56 flights)
  • Thu72%(50 flights)
  • Fri71%(51 flights)
  • Sat83%(46 flights)
  • Sun78%(54 flights)
On-time by departure window
  • 3–6 AM91%(68 flights)
  • 6–9 AM95%(58 flights)
  • 9 AM–12 PM87%(39 flights)
  • 12–3 PM71%(86 flights)
  • 3–6 PM46%(48 flights)
  • 6–9 PM60%(57 flights)
  • 9 PM–12 AM82%(11 flights)
On-time trend by month
97%
May

Jun 60% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%35
July 202543%37
August 202559%29
September 202550%30
October 202594%31
November 202597%30
December 202583%30
January 202689%27
February 202682%27
March 202671%31
April 202693%29
May 202697%31
Departures on time
74%
Diverted
0%
Flights flown
367
Months covered
12

Keep nerding

Based on 374 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.