Flight Reliability
NK 1663 · Spirit Airlines
Los Angeles → Detroit (LAX–DTW)92% of its flights flew this route. The rest (IAH–LAX) are included in these numbers.
100
Nerd Approved
WanderNerd Reliability Score
- 94%
- Arrive within 15 minutes
- 7 min early
- Average arrival delay
- 0%
- Cancelled
- 17 min early
- Median arrival delay
Based on 62 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
NK 1663 departing between 12–3 PM arrived on time 100% of the time, versus 92% between 3–6 PM.
Better than the LAX–DTW route average.
NK 1663 arrived on time 94% of the time, versus 83% across the LAX–DTW route.
Well ahead of the Spirit Airlines network.
NK 1663 arrived on time 94% 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)
- Sat85%(13 flights)
- Sun—(8 flights)
- 9 AM–12 PM92%(24 flights)
- 12–3 PM100%(14 flights)
- 3–6 PM92%(24 flights)
- Departures on time
- 87%
- Diverted
- 0%
- Flights flown
- 62
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 62 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.