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WanderNerd

Flight Reliability

NK 2644 · Spirit Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and NK 2644 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

90%
Arrive within 15 minutes
3 min
Average arrival delay
0%
Cancelled
10 min early
Median arrival delay

Based on 81 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon93%(14 flights)
  • Tue(7 flights)
  • Wed(6 flights)
  • Thu77%(13 flights)
  • Fri93%(14 flights)
  • Sat92%(13 flights)
  • Sun100%(14 flights)
On-time by departure window
  • 3–6 AM87%(23 flights)
  • 6–9 AM94%(36 flights)
  • 9 AM–12 PM86%(22 flights)
On-time trend by month
95%
Oct

Jun 90% → Oct 95% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%30
September 202582%22
October 202595%21
Departures on time
89%
Diverted
0%
Flights flown
81
Months covered
5

Based on 81 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.