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WanderNerd

Flight Reliability

NK 949 · Spirit Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and NK 949 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

77%
Arrive within 15 minutes
10 min
Average arrival delay
1.5%
Cancelled
12 min early
Median arrival delay

Based on 196 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon59%(27 flights)
  • Tue85%(27 flights)
  • Wed86%(28 flights)
  • Thu76%(29 flights)
  • Fri71%(28 flights)
  • Sat89%(26 flights)
  • Sun71%(28 flights)
On-time by departure window
  • 12–3 PM76%(103 flights)
  • 3–6 PM65%(40 flights)
  • 6–9 PM88%(50 flights)
On-time trend by month
67%
Apr

Jul 78% → Apr 67% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202578%23
August 202587%31
October 202589%27
January 202655%22
February 202671%28
March 202687%30
April 202667%27
Departures on time
79%
Diverted
0%
Flights flown
193
Months covered
10

Based on 196 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.