Flight Reliability
NK 128 · Spirit Airlines
Savannah → Newark (SAV–EWR)
80
Pretty Reliable
WanderNerd Reliability Score
- 72%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 0%
- Cancelled
- 30 min early
- Median arrival delay
Based on 32 historical flights. Data through May 2026.
What the data says
The 9 AM–12 PM departure wins.
NK 128 departing between 9 AM–12 PM arrived on time 93% of the time, versus 56% between 6–9 AM.
A bit behind the SAV–EWR route.
NK 128 arrived on time 72% of the time, versus 78% across the SAV–EWR route.
The breakdown
- Mon—(5 flights)
- Tue—(5 flights)
- Wed—(5 flights)
- Thu—(4 flights)
- Fri—(4 flights)
- Sat—(4 flights)
- Sun—(5 flights)
- 6–9 AM56%(18 flights)
- 9 AM–12 PM93%(14 flights)
- Departures on time
- 69%
- Diverted
- 0%
- Flights flown
- 32
- Months covered
- 2
Same route, other flights
Keep nerding
Based on 32 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.