Flight Reliability
NK 1148 · Spirit Airlines
Miami → Houston (MIA–IAH)
83
Pretty Reliable
WanderNerd Reliability Score
- 85%
- Arrive within 15 minutes
- 1 min early
- Average arrival delay
- 0%
- Cancelled
- 17 min early
- Median arrival delay
Based on 41 historical flights. Data through May 2026.
What the data says
Better than the MIA–IAH route average.
NK 1148 arrived on time 85% of the time, versus 77% across the MIA–IAH route.
Better than the Spirit Airlines network average.
NK 1148 arrived on time 85% of the time, versus 74% across the Spirit Airlines network.
The breakdown
- Mon—(8 flights)
- Tue—(5 flights)
- Wed—(5 flights)
- Thu—(5 flights)
- Fri—(8 flights)
- Sat—(5 flights)
- Sun—(4 flights)
- 9 AM–12 PM82%(34 flights)
- 6–9 PM—(6 flights)
- Departures on time
- 76%
- Diverted
- 2.4%
- Flights flown
- 40
- Months covered
- 3
Same route, other flights
Keep nerding
Based on 41 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.