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WanderNerd

Flight Reliability

NK 1615 · Spirit Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and NK 1615 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

51%
Arrive within 15 minutes
35 min
Average arrival delay
6.3%
Cancelled
15 min
Median arrival delay

Based on 63 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon(7 flights)
  • Tue(9 flights)
  • Wed(9 flights)
  • Thu(8 flights)
  • Fri(9 flights)
  • Sat(9 flights)
  • Sun(8 flights)
On-time by departure window
  • 9 AM–12 PM(4 flights)
  • 12–3 PM38%(21 flights)
  • 9 PM–12 AM59%(34 flights)
On-time trend by month
30%
Mar

Jul 55% → Mar 30% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202555%22
August 202567%12
February 202647%15
March 202630%10
Departures on time
48%
Diverted
0%
Flights flown
59
Months covered
4

Based on 63 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.