Flight Reliability
NK 1142 · Spirit Airlines
Las Vegas → Houston (LAS–IAH)
76
Usually Fine
WanderNerd Reliability Score
- 76%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 2.0%
- Cancelled
- 3 min early
- Median arrival delay
Based on 51 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
NK 1142 departing between 12–3 AM arrived on time 85% of the time, versus 72% between 6–9 PM.
Lagging the LAS–IAH route.
NK 1142 arrived on time 76% of the time, versus 84% across the LAS–IAH route.
The breakdown
- Mon—(8 flights)
- Tue—(8 flights)
- Wed—(8 flights)
- Thu—(3 flights)
- Fri—(8 flights)
- Sat—(7 flights)
- Sun—(8 flights)
- 12–3 AM85%(20 flights)
- 6–9 AM—(5 flights)
- 6–9 PM72%(25 flights)
- Departures on time
- 76%
- Diverted
- 0%
- Flights flown
- 50
- Months covered
- 3
Same route, other flights
Keep nerding
Based on 51 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.