Flight Reliability
NK 1646 · Spirit Airlines
San Jose → Las Vegas (SJC–LAS)88% of its flights flew this route. The rest (LAX–ORD) are included in these numbers.
100
Nerd Approved
WanderNerd Reliability Score
- 93%
- Arrive within 15 minutes
- 7 min early
- Average arrival delay
- 0%
- Cancelled
- 12 min early
- Median arrival delay
Based on 40 historical flights. Data through May 2026.
What the data says
Better than the SJC–LAS route average.
NK 1646 arrived on time 93% of the time, versus 80% across the SJC–LAS route.
Well ahead of the Spirit Airlines network.
NK 1646 arrived on time 93% of the time, versus 74% across the Spirit Airlines network.
The breakdown
- Mon—(5 flights)
- Tue—(5 flights)
- Wed—(8 flights)
- Thu—(5 flights)
- Fri—(5 flights)
- Sat—(5 flights)
- Sun—(7 flights)
- 6–9 AM100%(35 flights)
- 3–6 PM—(5 flights)
- Departures on time
- 95%
- Diverted
- 0%
- Flights flown
- 40
- Months covered
- 3
Same route, other flights
Keep nerding
Based on 40 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.