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WanderNerd

Flight Reliability

NK 818 · Spirit Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and NK 818 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
1 min
Average arrival delay
1.1%
Cancelled
12 min early
Median arrival delay

Based on 92 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon86%(14 flights)
  • Tue69%(13 flights)
  • Wed87%(15 flights)
  • Thu73%(11 flights)
  • Fri92%(12 flights)
  • Sat93%(14 flights)
  • Sun75%(12 flights)
On-time by departure window
  • 12–3 PM89%(27 flights)
  • 3–6 PM85%(13 flights)
  • 6–9 PM78%(46 flights)
  • 9 PM–12 AM(5 flights)
On-time trend by month
89%
Nov

Aug 78% → Nov 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 202578%18
October 202590%29
November 202589%27
Departures on time
80%
Diverted
0%
Flights flown
91
Months covered
6

Based on 92 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.