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WanderNerd

Flight Reliability

NK 2221 · Spirit Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and NK 2221 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

73%
Arrive within 15 minutes
10 min
Average arrival delay
9.2%
Cancelled
1 min early
Median arrival delay

Based on 152 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon63%(19 flights)
  • Tue82%(17 flights)
  • Wed83%(18 flights)
  • Thu76%(21 flights)
  • Fri67%(21 flights)
  • Sat67%(21 flights)
  • Sun71%(21 flights)
On-time by departure window
  • 6–9 AM63%(82 flights)
  • 12–3 PM92%(12 flights)
  • 3–6 PM83%(41 flights)
  • 6–9 PM(3 flights)
On-time trend by month
75%
Apr

Jun 77% → Apr 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%26
August 202595%19
January 202685%20
February 202669%26
March 202633%24
April 202675%12
Departures on time
78%
Diverted
0%
Flights flown
138
Months covered
8

Based on 152 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.