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WanderNerd

Flight Reliability

NK 1404 · Spirit Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and NK 1404 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

84%
Arrive within 15 minutes
6 min
Average arrival delay
4.6%
Cancelled
12 min early
Median arrival delay

Based on 153 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon70%(23 flights)
  • Tue96%(23 flights)
  • Wed91%(21 flights)
  • Thu75%(20 flights)
  • Fri82%(22 flights)
  • Sat100%(15 flights)
  • Sun77%(22 flights)
On-time by departure window
  • 6–9 AM97%(30 flights)
  • 12–3 PM82%(85 flights)
  • 3–6 PM(2 flights)
  • 6–9 PM72%(29 flights)
On-time trend by month
89%
Dec

Jul 86% → Dec 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202586%22
August 202575%12
September 202588%25
October 202577%26
November 202579%28
December 202589%27
Departures on time
82%
Diverted
0%
Flights flown
146
Months covered
7

Based on 153 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.