Flight Reliability
NK 304 · Spirit Airlines
Miami → Newark (MIA–EWR)96% of its flights flew this route. The rest (LGA–ORD) are included in these numbers.
- 87%
- Arrive within 15 minutes
- 6 min early
- Average arrival delay
- 0%
- Cancelled
- 22 min early
- Median arrival delay
Based on 84 historical flights. Data through May 2026.
What the data says
Morning-you made the right choice.
NK 304 departing between 9 AM–12 PM arrived on time 94% of the time, versus 62% between 3–6 PM.
Saturdays have been rough.
NK 304 arrived on time 100% of the time on Thursdays and just 67% on Saturdays. That gap is worth planning around.
Better than the MIA–EWR route average.
NK 304 arrived on time 87% of the time, versus 72% across the MIA–EWR route.
Better than the Spirit Airlines network average.
NK 304 arrived on time 87% of the time, versus 74% across the Spirit Airlines network.
The breakdown
- Mon91%(11 flights)
- Tue91%(11 flights)
- Wed75%(12 flights)
- Thu100%(12 flights)
- Fri100%(12 flights)
- Sat67%(15 flights)
- Sun91%(11 flights)
- 9 AM–12 PM94%(66 flights)
- 12–3 PM—(4 flights)
- 3–6 PM62%(13 flights)
- 6–9 PM—(1 flights)
Aug 95% → Oct 94% on time
| Month | On-time percentage | Flights |
|---|---|---|
| August 2025 | 95% | 19 |
| September 2025 | 80% | 30 |
| October 2025 | 94% | 31 |
- Departures on time
- 86%
- Diverted
- 0%
- Flights flown
- 84
- Months covered
- 6
Same route, other flights
Keep nerding
Based on 84 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.