Flight Reliability
NK 1564 · Spirit Airlines
Miami → Houston (MIA–IAH)
82
Pretty Reliable
WanderNerd Reliability Score
- 85%
- Arrive within 15 minutes
- 5 min early
- Average arrival delay
- 2.9%
- Cancelled
- 24 min early
- Median arrival delay
Based on 35 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
NK 1564 departing between 9 PM–12 AM arrived on time 92% of the time, versus 70% between 12–3 PM.
Better than the MIA–IAH route average.
NK 1564 arrived on time 85% of the time, versus 77% across the MIA–IAH route.
Better than the Spirit Airlines network average.
NK 1564 arrived on time 85% of the time, versus 74% across the Spirit Airlines network.
The breakdown
- Mon—(4 flights)
- Tue—(5 flights)
- Wed—(5 flights)
- Thu—(5 flights)
- Fri—(5 flights)
- Sat—(5 flights)
- Sun—(5 flights)
- 12–3 PM70%(10 flights)
- 9 PM–12 AM92%(24 flights)
- Departures on time
- 82%
- Diverted
- 0%
- Flights flown
- 34
- Months covered
- 2
Same route, other flights
Keep nerding
Based on 35 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.