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WanderNerd

Flight Reliability

NK 1243 · Spirit Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and NK 1243 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

70%
Arrive within 15 minutes
12 min
Average arrival delay
3.8%
Cancelled
3 min early
Median arrival delay

Based on 131 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon56%(18 flights)
  • Tue78%(18 flights)
  • Wed94%(16 flights)
  • Thu84%(19 flights)
  • Fri69%(16 flights)
  • Sat68%(19 flights)
  • Sun41%(17 flights)
On-time by departure window
  • 6–9 AM92%(38 flights)
  • 3–6 PM60%(85 flights)
On-time trend by month
50%
Apr

Jul 96% → Apr 50% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202596%22
August 202583%12
January 202674%23
February 202672%25
March 202648%29
April 202650%12
Departures on time
69%
Diverted
2.3%
Flights flown
123
Months covered
6

Based on 131 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.