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WanderNerd

Flight Reliability

NK 1550 · Spirit Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and NK 1550 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
3 min early
Average arrival delay
0.9%
Cancelled
12 min early
Median arrival delay

Based on 117 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(17 flights)
  • Tue100%(15 flights)
  • Wed88%(16 flights)
  • Thu88%(16 flights)
  • Fri71%(17 flights)
  • Sat94%(17 flights)
  • Sun89%(18 flights)
On-time by departure window
  • 6–9 AM85%(59 flights)
  • 3–6 PM86%(35 flights)
  • 6–9 PM96%(22 flights)
On-time trend by month
83%
Dec

Jul 87% → Dec 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202587%23
August 202590%31
November 202596%22
December 202583%30
Departures on time
88%
Diverted
0%
Flights flown
116
Months covered
6

Based on 117 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.