Spirit Airlines FLL to BOS on-time performance
Spirit Airlines nonstop flights from Fort Lauderdale to Boston · Aug 2025 – Jul 2026
On-time arrivals
61%
arrived < 15 min late
Cancelled
5.3%
27 flights
Avg arrival delay
30 min
75 min when late
Rank on route
#3 of 3
route average 67% on time
Key facts
- Spirit Airlines flights on FLL to BOS arrived on time 61% of the time in Aug 2025 – Jul 2026.
- 5.3% were cancelled, and 16% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 67% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (41%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion41%
- Airline (crew, maintenance, cleaning, fueling)35%
- Late-arriving aircraft24%
- Security1%
- Extreme weather0%
Other airlines on FLL to BOS
- JetBlue66% on time · 27 min avg delay
- Delta Air Lines72% on time · 23 min avg delay
Full FLL to BOS comparison →
Spirit Airlines on-time record across all routes →
509 Spirit Airlines flights tracked on this route; 27 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.