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WanderNerd

Flight Reliability

NK 2251 · Spirit Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and NK 2251 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

75%
Arrive within 15 minutes
8 min
Average arrival delay
1.7%
Cancelled
7 min early
Median arrival delay

Based on 177 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon50%(24 flights)
  • Tue79%(24 flights)
  • Wed96%(25 flights)
  • Thu69%(26 flights)
  • Fri80%(25 flights)
  • Sat75%(24 flights)
  • Sun73%(26 flights)
On-time by departure window
  • 6–9 AM79%(67 flights)
  • 9 AM–12 PM76%(25 flights)
  • 12–3 PM(3 flights)
  • 6–9 PM71%(17 flights)
  • 9 PM–12 AM69%(62 flights)
On-time trend by month
73%
Apr

Jun 80% → Apr 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%30
August 202547%19
September 202580%30
October 202573%30
November 202582%28
February 202690%10
April 202673%15
Departures on time
76%
Diverted
0%
Flights flown
174
Months covered
10

Based on 177 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.