Skip to content
WanderNerd

Flight Reliability

NK 1501 · Spirit Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and NK 1501 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

87%
Arrive within 15 minutes
2 min early
Average arrival delay
2.5%
Cancelled
7 min early
Median arrival delay

Based on 243 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(34 flights)
  • Tue83%(30 flights)
  • Wed97%(30 flights)
  • Thu89%(36 flights)
  • Fri89%(36 flights)
  • Sat86%(35 flights)
  • Sun86%(35 flights)
On-time by departure window
  • 3–6 AM98%(53 flights)
  • 6–9 AM97%(64 flights)
  • 9 AM–12 PM77%(81 flights)
  • 12–3 PM(3 flights)
  • 6–9 PM70%(30 flights)
  • 9 PM–12 AM(5 flights)
On-time trend by month
69%
Apr

Jul 70% → Apr 69% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202570%23
August 202583%12
September 202596%27
October 202597%29
November 2025100%29
December 202597%29
January 202678%23
February 202695%21
March 202670%30
April 202669%13
Departures on time
88%
Diverted
0.4%
Flights flown
236
Months covered
10

Based on 243 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.