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WanderNerd

Flight Reliability

NK 2171 · Spirit Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and NK 2171 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

82%
Arrive within 15 minutes
4 min
Average arrival delay
0.7%
Cancelled
7 min early
Median arrival delay

Based on 151 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon67%(21 flights)
  • Tue95%(21 flights)
  • Wed100%(20 flights)
  • Thu77%(22 flights)
  • Fri86%(22 flights)
  • Sat96%(22 flights)
  • Sun55%(22 flights)
On-time by departure window
  • 6–9 AM(5 flights)
  • 9 AM–12 PM82%(38 flights)
  • 12–3 PM(1 flights)
  • 3–6 PM78%(73 flights)
  • 6–9 PM88%(33 flights)
On-time trend by month
74%
Oct

Jun 77% → Oct 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%30
July 202593%29
August 202579%29
September 202587%30
October 202574%31
Departures on time
80%
Diverted
0%
Flights flown
150
Months covered
6

Based on 151 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.