Flight Reliability
NK 1642 · Spirit Airlines
Las Vegas → Detroit (LAS–DTW)81% of its flights flew this route. The rest (MCO–SDF) are included in these numbers.
75
Usually Fine
WanderNerd Reliability Score
- 74%
- Arrive within 15 minutes
- 13 min
- Average arrival delay
- 1.3%
- Cancelled
- 8 min early
- Median arrival delay
Based on 78 historical flights. Data through May 2026.
What the data says
Morning-you made the right choice.
NK 1642 departing between 9 AM–12 PM arrived on time 81% of the time, versus 50% between 3–6 PM.
Saturdays have been rough.
NK 1642 arrived on time 93% of the time on Sundays and just 50% on Saturdays. That gap is worth planning around.
Lagging the LAS–DTW route.
NK 1642 arrived on time 74% of the time, versus 82% across the LAS–DTW route.
The breakdown
- Mon—(9 flights)
- Tue—(9 flights)
- Wed—(9 flights)
- Thu57%(14 flights)
- Fri—(8 flights)
- Sat50%(14 flights)
- Sun93%(14 flights)
- 9 AM–12 PM81%(62 flights)
- 3–6 PM50%(10 flights)
- 6–9 PM—(5 flights)
73%
Mar
Jul 50% → Mar 73% on time
| Month | On-time percentage | Flights |
|---|---|---|
| July 2025 | 50% | 10 |
| January 2026 | 88% | 24 |
| February 2026 | 78% | 27 |
| March 2026 | 73% | 11 |
- Departures on time
- 77%
- Diverted
- 0%
- Flights flown
- 77
- Months covered
- 5
Same route, other flights
Keep nerding
Based on 78 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.