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Flight Reliability

NK 1804 · Spirit Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and NK 1804 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
14 min
Average arrival delay
2.5%
Cancelled
4 min early
Median arrival delay

Based on 197 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon71%(28 flights)
  • Tue89%(28 flights)
  • Wed79%(28 flights)
  • Thu72%(29 flights)
  • Fri60%(30 flights)
  • Sat57%(21 flights)
  • Sun57%(28 flights)
On-time by departure window
  • 6–9 AM100%(10 flights)
  • 12–3 PM—(4 flights)
  • 6–9 PM83%(12 flights)
  • 9 PM–12 AM66%(166 flights)
On-time trend by month
23%
Apr

Jul 65% → Apr 23% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202565%20
August 202590%10
September 202585%27
October 202583%29
November 2025100%11
January 202675%24
February 202678%27
March 202632%28
April 202623%13
Departures on time
61%
Diverted
0%
Flights flown
192
Months covered
10

Keep nerding

Based on 197 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.