Skip to content
WanderNerd
Check a flight

Flight Reliability

WN 1171 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1171 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
6 min
Average arrival delay
0.8%
Cancelled
4 min early
Median arrival delay

Based on 377 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(59 flights)
  • Tue86%(51 flights)
  • Wed90%(51 flights)
  • Thu87%(61 flights)
  • Fri77%(61 flights)
  • Sat73%(44 flights)
  • Sun64%(45 flights)
On-time by departure window
  • 3–6 AM96%(44 flights)
  • 6–9 AM95%(56 flights)
  • 9 AM–12 PM81%(47 flights)
  • 12–3 PM86%(70 flights)
  • 3–6 PM73%(51 flights)
  • 6–9 PM65%(74 flights)
  • 9 PM–12 AM70%(30 flights)
On-time trend by month
76%
May

Jun 84% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202584%37
July 202580%44
August 202579%34
September 202597%30
October 202593%27
November 202563%30
December 202581%31
January 202670%30
February 202685%26
March 202684%31
April 202674%27
May 202676%25
Departures on time
74%
Diverted
0.5%
Flights flown
372
Months covered
12

Keep nerding

Based on 377 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.