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WanderNerd

Flight Reliability

NK 393 · Spirit Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and NK 393 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

51%
Arrive within 15 minutes
28 min
Average arrival delay
5.9%
Cancelled
12 min
Median arrival delay

Based on 202 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon41%(29 flights)
  • Tue52%(29 flights)
  • Wed68%(28 flights)
  • Thu48%(27 flights)
  • Fri46%(26 flights)
  • Sat57%(23 flights)
  • Sun46%(28 flights)
On-time by departure window
  • 6–9 AM82%(11 flights)
  • 9 AM–12 PM73%(11 flights)
  • 3–6 PM36%(84 flights)
  • 6–9 PM62%(53 flights)
  • 9 PM–12 AM55%(31 flights)
On-time trend by month
54%
Apr

Sep 67% → Apr 54% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
September 202567%27
October 202558%26
December 202554%26
January 202655%29
February 202652%27
March 202615%26
April 202654%28
Departures on time
64%
Diverted
0%
Flights flown
190
Months covered
8

Based on 202 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.