Flight Reliability
NK 1597 · Spirit Airlines
Baltimore → Boston (BWI–BOS)
70
Usually Fine
WanderNerd Reliability Score
- 74%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 2.9%
- Cancelled
- 2 min early
- Median arrival delay
Based on 35 historical flights. Data through May 2026.
The breakdown
- Mon—(5 flights)
- Tue—(5 flights)
- Wed—(5 flights)
- Thu—(5 flights)
- Fri—(4 flights)
- Sat—(5 flights)
- Sun—(5 flights)
- Departures on time
- 74%
- 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.