Flight Reliability
NK 3684 · Spirit Airlines
Las Vegas → Newark (LAS–EWR)
87
Pretty Reliable
WanderNerd Reliability Score
- 86%
- Arrive within 15 minutes
- 1 min
- Average arrival delay
- 1.7%
- Cancelled
- 18 min early
- Median arrival delay
Based on 58 historical flights. Data through May 2026.
What the data says
A bit ahead of the LAS–EWR route.
NK 3684 arrived on time 86% of the time, versus 82% across the LAS–EWR route.
Better than the Spirit Airlines network average.
NK 3684 arrived on time 86% of the time, versus 74% across the Spirit Airlines network.
The breakdown
- Mon—(8 flights)
- Tue—(8 flights)
- Wed—(8 flights)
- Thu—(8 flights)
- Fri—(9 flights)
- Sat—(8 flights)
- Sun—(8 flights)
- Departures on time
- 79%
- Diverted
- 0%
- Flights flown
- 57
- Months covered
- 2
Same route, other flights
Keep nerding
Based on 58 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.