Flight Reliability
NK 1666 · Spirit Airlines
Detroit → Newark (DTW–EWR)
10
Bring Snacks
WanderNerd Reliability Score
- 55%
- Arrive within 15 minutes
- 19 min
- Average arrival delay
- 12.1%
- Cancelled
- 8 min
- Median arrival delay
Based on 33 historical flights. Data through May 2026.
What the data says
Morning-you made the right choice.
NK 1666 departing between 9 AM–12 PM arrived on time 85% of the time, versus 31% between 9 PM–12 AM.
Well behind the DTW–EWR route.
NK 1666 arrived on time 55% of the time, versus 76% across the DTW–EWR route.
Well behind the Spirit Airlines network.
NK 1666 arrived on time 55% of the time, versus 74% across the Spirit Airlines network.
The breakdown
- Mon—(5 flights)
- Tue—(4 flights)
- Wed—(3 flights)
- Thu—(5 flights)
- Fri—(3 flights)
- Sat—(5 flights)
- Sun—(4 flights)
- 9 AM–12 PM85%(13 flights)
- 9 PM–12 AM31%(16 flights)
- Departures on time
- 66%
- Diverted
- 0%
- Flights flown
- 29
- Months covered
- 2
Same route, other flights
Keep nerding
Based on 33 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.