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WanderNerd

Flight Reliability

NK 1004 · Spirit Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and NK 1004 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

55%
Arrive within 15 minutes
45 min
Average arrival delay
0%
Cancelled
3 min
Median arrival delay

Based on 56 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon(5 flights)
  • Tue(8 flights)
  • Wed(5 flights)
  • Thu79%(14 flights)
  • Fri(5 flights)
  • Sat(5 flights)
  • Sun50%(14 flights)
On-time by departure window
  • 6–9 AM(8 flights)
  • 9 AM–12 PM56%(18 flights)
  • 3–6 PM50%(10 flights)
  • 6–9 PM50%(20 flights)
On-time trend by month
50%
Dec

Jul 39% → Dec 50% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202539%23
August 202567%12
December 202550%10
Departures on time
59%
Diverted
0%
Flights flown
56
Months covered
5

Based on 56 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.