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WanderNerd

Flight Reliability

NK 903 · Spirit Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and NK 903 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

59%
Arrive within 15 minutes
27 min
Average arrival delay
3.2%
Cancelled
8 min
Median arrival delay

Based on 154 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon52%(21 flights)
  • Tue58%(19 flights)
  • Wed57%(21 flights)
  • Thu76%(25 flights)
  • Fri55%(22 flights)
  • Sat47%(19 flights)
  • Sun64%(22 flights)
On-time by departure window
  • 6–9 AM(6 flights)
  • 9 AM–12 PM(6 flights)
  • 3–6 PM68%(40 flights)
  • 6–9 PM52%(97 flights)
On-time trend by month
67%
Apr

Dec 52% → Apr 67% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
December 202552%23
January 202680%30
February 202656%27
March 202630%30
April 202667%30
Departures on time
60%
Diverted
0%
Flights flown
149
Months covered
7

Based on 154 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.