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WanderNerd

Flight Reliability

NK 1601 · Spirit Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and NK 1601 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

60%
Arrive within 15 minutes
28 min
Average arrival delay
8.3%
Cancelled
6 min
Median arrival delay

Based on 157 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon65%(20 flights)
  • Tue75%(20 flights)
  • Wed65%(20 flights)
  • Thu83%(23 flights)
  • Fri50%(24 flights)
  • Sat39%(18 flights)
  • Sun42%(19 flights)
On-time by departure window
  • 6–9 AM88%(17 flights)
  • 9 AM–12 PM37%(30 flights)
  • 12–3 PM65%(71 flights)
  • 6–9 PM58%(26 flights)
On-time trend by month
69%
Apr

Nov 73% → Apr 69% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
November 202573%11
December 202561%23
January 202669%29
February 202661%23
March 202636%28
April 202669%29
Departures on time
62%
Diverted
0%
Flights flown
144
Months covered
7

Based on 157 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.