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WanderNerd

Flight Reliability

NK 1801 · Spirit Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and NK 1801 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

78%
Arrive within 15 minutes
13 min
Average arrival delay
11.7%
Cancelled
3 min early
Median arrival delay

Based on 163 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(26 flights)
  • Tue85%(20 flights)
  • Wed(9 flights)
  • Thu80%(25 flights)
  • Fri71%(28 flights)
  • Sat77%(17 flights)
  • Sun74%(19 flights)
On-time by departure window
  • 6–9 AM77%(62 flights)
  • 9 AM–12 PM79%(24 flights)
  • 12–3 PM71%(24 flights)
  • 6–9 PM(4 flights)
  • 9 PM–12 AM87%(30 flights)
On-time trend by month
75%
Apr

Jul 87% → Apr 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202587%23
August 202580%10
November 202588%17
January 202688%16
February 202678%18
March 202662%21
April 202675%28
Departures on time
83%
Diverted
0%
Flights flown
144
Months covered
10

Based on 163 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.