Flight Reliability
NK 126 · Spirit Airlines
Boston → Fort Lauderdale (BOS–FLL)
85
Pretty Reliable
WanderNerd Reliability Score
- 90%
- Arrive within 15 minutes
- 11 min early
- Average arrival delay
- 3.2%
- Cancelled
- 13 min early
- Median arrival delay
Based on 31 historical flights. Data through May 2026.
What the data says
The 3–6 AM departure wins.
NK 126 departing between 3–6 AM arrived on time 100% of the time, versus 82% between 6–9 AM.
Well ahead of the BOS–FLL route.
NK 126 arrived on time 90% of the time, versus 67% across the BOS–FLL route.
Well ahead of the Spirit Airlines network.
NK 126 arrived on time 90% of the time, versus 74% across the Spirit Airlines network.
The breakdown
- Mon—(5 flights)
- Tue—(5 flights)
- Wed—(5 flights)
- Thu—(4 flights)
- Fri—(3 flights)
- Sat—(4 flights)
- Sun—(4 flights)
- 3–6 AM100%(13 flights)
- 6–9 AM82%(17 flights)
- Departures on time
- 93%
- Diverted
- 0%
- Flights flown
- 30
- Months covered
- 2
Same route, other flights
Keep nerding
Based on 31 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.