Flight Reliability
NK 518 · Spirit Airlines
Boston → Myrtle Beach (BOS–MYR)
89
Pretty Reliable
WanderNerd Reliability Score
- 93%
- Arrive within 15 minutes
- 3 min early
- Average arrival delay
- 3.2%
- Cancelled
- 9 min early
- Median arrival delay
Based on 31 historical flights. Data through May 2026.
What the data says
Well ahead of the BOS–MYR route.
NK 518 arrived on time 93% of the time, versus 74% across the BOS–MYR route.
Well ahead of the Spirit Airlines network.
NK 518 arrived on time 93% 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)
- 6–9 AM93%(27 flights)
- 9 AM–12 PM—(3 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.