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WanderNerd

Flight Reliability

NK 686 · Spirit Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and NK 686 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

77%
Arrive within 15 minutes
16 min
Average arrival delay
0%
Cancelled
0 min
Median arrival delay

Based on 68 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon(9 flights)
  • Tue(9 flights)
  • Wed(9 flights)
  • Thu67%(12 flights)
  • Fri(9 flights)
  • Sat(7 flights)
  • Sun54%(13 flights)
On-time by departure window
  • 9 AM–12 PM72%(39 flights)
  • 12–3 PM(5 flights)
  • 6–9 PM(6 flights)
  • 9 PM–12 AM78%(18 flights)
On-time trend by month
81%
Nov

Sep 67% → Nov 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
September 202567%27
October 202583%12
November 202581%26
Departures on time
82%
Diverted
0%
Flights flown
68
Months covered
4

Based on 68 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.