Spirit Airlines BWI to BOS on-time performance
Spirit Airlines nonstop flights from Baltimore to Boston · Aug 2025 – Jul 2026
On-time arrivals
71%
arrived < 15 min late
Cancelled
4.3%
2 flights
Avg arrival delay
13 min
43 min when late
Rank on route
#3 of 3
route average 75% on time
Key facts
- Spirit Airlines flights on BWI to BOS arrived on time 71% of the time in Aug 2025 – Jul 2026.
- 4.3% were cancelled, and 4% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 75% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (75%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion75%
- Late-arriving aircraft18%
- Airline (crew, maintenance, cleaning, fueling)7%
- Extreme weather0%
- Security0%
Other airlines on BWI to BOS
- Southwest Airlines72% on time · 18 min avg delay
- Republic Airways81% on time · 16 min avg delay
Full BWI to BOS comparison →
Spirit Airlines on-time record across all routes →
47 Spirit Airlines flights tracked on this route; 2 cancelled, 0 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.