Skip to content
WanderNerd

Flight Reliability

NK 1540 · Spirit Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and NK 1540 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

83%
Arrive within 15 minutes
3 min
Average arrival delay
0%
Cancelled
9 min early
Median arrival delay

Based on 67 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon64%(11 flights)
  • Tue(7 flights)
  • Wed(8 flights)
  • Thu91%(11 flights)
  • Fri91%(11 flights)
  • Sat(6 flights)
  • Sun91%(11 flights)
On-time by departure window
  • 3–6 AM92%(12 flights)
  • 6–9 AM74%(34 flights)
  • 12–3 PM95%(19 flights)
On-time trend by month
60%
Apr

Jul 100% → Apr 60% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 2025100%12
November 202589%27
April 202660%15
Departures on time
90%
Diverted
3.0%
Flights flown
65
Months covered
6

Based on 67 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.