Flight Reliability
NK 399 · Spirit Airlines
Dallas–Fort Worth → New York (DFW–LGA)
31
Bring Snacks
WanderNerd Reliability Score
- 80%
- Arrive within 15 minutes
- 8 min
- Average arrival delay
- 14.3%
- Cancelled
- 10 min early
- Median arrival delay
Based on 35 historical flights. Data through May 2026.
What the data says
Better than the DFW–LGA route average.
NK 399 arrived on time 80% of the time, versus 67% across the DFW–LGA route.
A bit ahead of the Spirit Airlines network.
NK 399 arrived on time 80% of the time, versus 74% across the Spirit Airlines network.
The breakdown
- Mon—(5 flights)
- Tue—(4 flights)
- Wed—(4 flights)
- Thu—(5 flights)
- Fri—(3 flights)
- Sat—(5 flights)
- Sun—(4 flights)
- 3–6 AM—(4 flights)
- 6–9 AM77%(26 flights)
- Departures on time
- 80%
- Diverted
- 0%
- Flights flown
- 30
- 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.